[DOCS] Show EC2's auto attribute (#21474)
[DOCS] Show EC2's auto attribute (#21474)

* [DOCS] Show EC2's auto attribute

This documents the `aws_availability_zone` node attribute as part of the `discovery-ec2` plugin. Also fixes outdated usage of "cloud aws".

rajanm/elasticsearch,glefloch/elasticsearch,strapdata/elassandra,obourgain/elasticsearch,robin13/elasticsearch,uschindler/elasticsearch,strapdata/elassandra,uschindler/elasticsearch,obourgain/elasticsearch,nazarewk/elasticsearch,Stacey-Gammon/elasticsearch,ZTE-PaaS/elasticsearch,robin13/elasticsearch,jprante/elasticsearch,wenpos/elasticsearch,StefanGor/elasticsearch,s1monw/elasticsearch,LeoYao/elasticsearch,fforbeck/elasticsearch,fred84/elasticsearch,markwalkom/elasticsearch,Stacey-Gammon/elasticsearch,artnowo/elasticsearch,maddin2016/elasticsearch,masaruh/elasticsearch,vroyer/elasticassandra,nilabhsagar/elasticsearch,mjason3/elasticsearch,nezirus/elasticsearch,naveenhooda2000/elasticsearch,coding0011/elasticsearch,fred84/elasticsearch,artnowo/elasticsearch,gingerwizard/elasticsearch,bawse/elasticsearch,mikemccand/elasticsearch,winstonewert/elasticsearch,scorpionvicky/elasticsearch,gingerwizard/elasticsearch,pozhidaevak/elasticsearch,kalimatas/elasticsearch,nezirus/elasticsearch,obourgain/elasticsearch,masaruh/elasticsearch,i-am-Nathan/elasticsearch,JSCooke/elasticsearch,Helen-Zhao/elasticsearch,fred84/elasticsearch,IanvsPoplicola/elasticsearch,maddin2016/elasticsearch,shreejay/elasticsearch,alexshadow007/elasticsearch,gfyoung/elasticsearch,robin13/elasticsearch,nazarewk/elasticsearch,C-Bish/elasticsearch,uschindler/elasticsearch,Helen-Zhao/elasticsearch,coding0011/elasticsearch,gfyoung/elasticsearch,IanvsPoplicola/elasticsearch,robin13/elasticsearch,elasticdog/elasticsearch,rlugojr/elasticsearch,fforbeck/elasticsearch,s1monw/elasticsearch,nezirus/elasticsearch,MisterAndersen/elasticsearch,spiegela/elasticsearch,mikemccand/elasticsearch,rajanm/elasticsearch,Helen-Zhao/elasticsearch,brandonkearby/elasticsearch,fernandozhu/elasticsearch,gingerwizard/elasticsearch,sneivandt/elasticsearch,StefanGor/elasticsearch,HonzaKral/elasticsearch,ZTE-PaaS/elasticsearch,nazarewk/elasticsearch,spiegela/elasticsearch,shreejay/elasticsearch,jprante/elasticsearch,shreejay/elasticsearch,nazarewk/elasticsearch,rlugojr/elasticsearch,strapdata/elassandra,ThiagoGarciaAlves/elasticsearch,geidies/elasticsearch,sneivandt/elasticsearch,wuranbo/elasticsearch,nknize/elasticsearch,kalimatas/elasticsearch,a2lin/elasticsearch,a2lin/elasticsearch,rajanm/elasticsearch,gingerwizard/elasticsearch,brandonkearby/elasticsearch,brandonkearby/elasticsearch,umeshdangat/elasticsearch,shreejay/elasticsearch,nknize/elasticsearch,LewayneNaidoo/elasticsearch,lks21c/elasticsearch,mikemccand/elasticsearch,rlugojr/elasticsearch,sneivandt/elasticsearch,LeoYao/elasticsearch,spiegela/elasticsearch,HonzaKral/elasticsearch,fernandozhu/elasticsearch,naveenhooda2000/elasticsearch,MaineC/elasticsearch,Stacey-Gammon/elasticsearch,mohit/elasticsearch,JackyMai/elasticsearch,wangtuo/elasticsearch,JackyMai/elasticsearch,uschindler/elasticsearch,wangtuo/elasticsearch,mortonsykes/elasticsearch,C-Bish/elasticsearch,Stacey-Gammon/elasticsearch,ThiagoGarciaAlves/elasticsearch,glefloch/elasticsearch,StefanGor/elasticsearch,bawse/elasticsearch,i-am-Nathan/elasticsearch,LeoYao/elasticsearch,naveenhooda2000/elasticsearch,nknize/elasticsearch,gingerwizard/elasticsearch,mikemccand/elasticsearch,spiegela/elasticsearch,alexshadow007/elasticsearch,wenpos/elasticsearch,GlenRSmith/elasticsearch,IanvsPoplicola/elasticsearch,Shepard1212/elasticsearch,C-Bish/elasticsearch,JackyMai/elasticsearch,winstonewert/elasticsearch,ZTE-PaaS/elasticsearch,jimczi/elasticsearch,njlawton/elasticsearch,coding0011/elasticsearch,pozhidaevak/elasticsearch,gfyoung/elasticsearch,markwalkom/elasticsearch,Shepard1212/elasticsearch,MisterAndersen/elasticsearch,qwerty4030/elasticsearch,mjason3/elasticsearch,jprante/elasticsearch,scottsom/elasticsearch,vroyer/elasticassandra,rajanm/elasticsearch,MisterAndersen/elasticsearch,LeoYao/elasticsearch,ZTE-PaaS/elasticsearch,pozhidaevak/elasticsearch,glefloch/elasticsearch,ThiagoGarciaAlves/elasticsearch,s1monw/elasticsearch,mjason3/elasticsearch,LeoYao/elasticsearch,nilabhsagar/elasticsearch,JSCooke/elasticsearch,elasticdog/elasticsearch,a2lin/elasticsearch,glefloch/elasticsearch,C-Bish/elasticsearch,fernandozhu/elasticsearch,umeshdangat/elasticsearch,wuranbo/elasticsearch,mjason3/elasticsearch,masaruh/elasticsearch,scottsom/elasticsearch,MaineC/elasticsearch,i-am-Nathan/elasticsearch,fernandozhu/elasticsearch,JSCooke/elasticsearch,wuranbo/elasticsearch,StefanGor/elasticsearch,scottsom/elasticsearch,ZTE-PaaS/elasticsearch,njlawton/elasticsearch,s1monw/elasticsearch,geidies/elasticsearch,coding0011/elasticsearch,MisterAndersen/elasticsearch,LeoYao/elasticsearch,strapdata/elassandra,geidies/elasticsearch,brandonkearby/elasticsearch,geidies/elasticsearch,fforbeck/elasticsearch,rlugojr/elasticsearch,IanvsPoplicola/elasticsearch,StefanGor/elasticsearch,elasticdog/elasticsearch,brandonkearby/elasticsearch,JackyMai/elasticsearch,strapdata/elassandra,artnowo/elasticsearch,jimczi/elasticsearch,glefloch/elasticsearch,rajanm/elasticsearch,maddin2016/elasticsearch,MaineC/elasticsearch,henakamaMSFT/elasticsearch,maddin2016/elasticsearch,sneivandt/elasticsearch,Stacey-Gammon/elasticsearch,artnowo/elasticsearch,elasticdog/elasticsearch,rajanm/elasticsearch,Shepard1212/elasticsearch,elasticdog/elasticsearch,lks21c/elasticsearch,mohit/elasticsearch,masaruh/elasticsearch,umeshdangat/elasticsearch,mortonsykes/elasticsearch,nezirus/elasticsearch,winstonewert/elasticsearch,Helen-Zhao/elasticsearch,qwerty4030/elasticsearch,lks21c/elasticsearch,robin13/elasticsearch,markwalkom/elasticsearch,wenpos/elasticsearch,bawse/elasticsearch,mortonsykes/elasticsearch,LewayneNaidoo/elasticsearch,jimczi/elasticsearch,markwalkom/elasticsearch,artnowo/elasticsearch,umeshdangat/elasticsearch,henakamaMSFT/elasticsearch,gingerwizard/elasticsearch,winstonewert/elasticsearch,lks21c/elasticsearch,GlenRSmith/elasticsearch,vroyer/elassandra,markwalkom/elasticsearch,spiegela/elasticsearch,njlawton/elasticsearch,s1monw/elasticsearch,njlawton/elasticsearch,nknize/elasticsearch,masaruh/elasticsearch,HonzaKral/elasticsearch,henakamaMSFT/elasticsearch,maddin2016/elasticsearch,MaineC/elasticsearch,alexshadow007/elasticsearch,qwerty4030/elasticsearch,jimczi/elasticsearch,fred84/elasticsearch,HonzaKral/elasticsearch,JSCooke/elasticsearch,Shepard1212/elasticsearch,geidies/elasticsearch,gfyoung/elasticsearch,obourgain/elasticsearch,fforbeck/elasticsearch,kalimatas/elasticsearch,C-Bish/elasticsearch,GlenRSmith/elasticsearch,nilabhsagar/elasticsearch,rlugojr/elasticsearch,wuranbo/elasticsearch,uschindler/elasticsearch,i-am-Nathan/elasticsearch,JackyMai/elasticsearch,nknize/elasticsearch,mjason3/elasticsearch,kalimatas/elasticsearch,scottsom/elasticsearch,scorpionvicky/elasticsearch,fernandozhu/elasticsearch,alexshadow007/elasticsearch,umeshdangat/elasticsearch,naveenhooda2000/elasticsearch,wangtuo/elasticsearch,wenpos/elasticsearch,qwerty4030/elasticsearch,pozhidaevak/elasticsearch,LewayneNaidoo/elasticsearch,scorpionvicky/elasticsearch,jprante/elasticsearch,a2lin/elasticsearch,markwalkom/elasticsearch,ThiagoGarciaAlves/elasticsearch,nilabhsagar/elasticsearch,henakamaMSFT/elasticsearch,nilabhsagar/elasticsearch,IanvsPoplicola/elasticsearch,wangtuo/elasticsearch,njlawton/elasticsearch,bawse/elasticsearch,wenpos/elasticsearch,lks21c/elasticsearch,henakamaMSFT/elasticsearch,Helen-Zhao/elasticsearch,vroyer/elasticassandra,nezirus/elasticsearch,bawse/elasticsearch,mohit/elasticsearch,scorpionvicky/elasticsearch,winstonewert/elasticsearch,a2lin/elasticsearch,coding0011/elasticsearch,scottsom/elasticsearch,GlenRSmith/elasticsearch,alexshadow007/elasticsearch,GlenRSmith/elasticsearch,fred84/elasticsearch,Shepard1212/elasticsearch,gingerwizard/elasticsearch,mortonsykes/elasticsearch,MisterAndersen/elasticsearch,LewayneNaidoo/elasticsearch,JSCooke/elasticsearch,pozhidaevak/elasticsearch,jprante/elasticsearch,i-am-Nathan/elasticsearch,scorpionvicky/elasticsearch,LeoYao/elasticsearch,sneivandt/elasticsearch,mohit/elasticsearch,obourgain/elasticsearch,jimczi/elasticsearch,ThiagoGarciaAlves/elasticsearch,shreejay/elasticsearch,naveenhooda2000/elasticsearch,ThiagoGarciaAlves/elasticsearch,nazarewk/elasticsearch,qwerty4030/elasticsearch,mikemccand/elasticsearch,kalimatas/elasticsearch,wuranbo/elasticsearch,gfyoung/elasticsearch,wangtuo/elasticsearch,geidies/elasticsearch,mohit/elasticsearch,fforbeck/elasticsearch,mortonsykes/elasticsearch,MaineC/elasticsearch,vroyer/elassandra,vroyer/elassandra,LewayneNaidoo/elasticsearch