docs: Add macros to the *Reply to a message* doc.
docs: Add macros to the *Reply to a message* doc.

This doc needs to be modified in the future to conform to the styling guidelines; only a portion was corrected.
vaidap/zulip,mahim97/zulip,christi3k/zulip,zulip/zulip,hackerkid/zulip,dattatreya303/zulip,brainwane/zulip,kou/zulip,Galexrt/zulip,jainayush975/zulip,showell/zulip,jrowan/zulip,SmartPeople/zulip,vabs22/zulip,christi3k/zulip,Diptanshu8/zulip,vabs22/zulip,timabbott/zulip,sonali0901/zulip,blaze225/zulip,susansls/zulip,punchagan/zulip,rishig/zulip,mahim97/zulip,brainwane/zulip,andersk/zulip,christi3k/zulip,samatdav/zulip,dhcrzf/zulip,punchagan/zulip,SmartPeople/zulip,SmartPeople/zulip,sharmaeklavya2/zulip,rishig/zulip,Diptanshu8/zulip,tommyip/zulip,jphilipsen05/zulip,Galexrt/zulip,jackrzhang/zulip,timabbott/zulip,shubhamdhama/zulip,brockwhittaker/zulip,andersk/zulip,synicalsyntax/zulip,showell/zulip,j831/zulip,dawran6/zulip,zulip/zulip,sonali0901/zulip,jainayush975/zulip,timabbott/zulip,jphilipsen05/zulip,vaidap/zulip,amyliu345/zulip,eeshangarg/zulip,PhilSk/zulip,SmartPeople/zulip,vabs22/zulip,dhcrzf/zulip,Diptanshu8/zulip,susansls/zulip,Galexrt/zulip,zulip/zulip,amanharitsh123/zulip,vabs22/zulip,eeshangarg/zulip,AZtheAsian/zulip,Diptanshu8/zulip,vaidap/zulip,ryanbackman/zulip,verma-varsha/zulip,dhcrzf/zulip,susansls/zulip,tommyip/zulip,SmartPeople/zulip,rht/zulip,amyliu345/zulip,shubhamdhama/zulip,jphilipsen05/zulip,rishig/zulip,ryanbackman/zulip,rishig/zulip,tommyip/zulip,ryanbackman/zulip,dhcrzf/zulip,Galexrt/zulip,Galexrt/zulip,zulip/zulip,ryanbackman/zulip,synicalsyntax/zulip,brainwane/zulip,eeshangarg/zulip,jphilipsen05/zulip,AZtheAsian/zulip,jainayush975/zulip,mahim97/zulip,JPJPJPOPOP/zulip,jphilipsen05/zulip,amanharitsh123/zulip,samatdav/zulip,samatdav/zulip,jackrzhang/zulip,rishig/zulip,rht/zulip,dhcrzf/zulip,aakash-cr7/zulip,isht3/zulip,dawran6/zulip,susansls/zulip,verma-varsha/zulip,dawran6/zulip,sonali0901/zulip,vabs22/zulip,verma-varsha/zulip,jrowan/zulip,showell/zulip,kou/zulip,PhilSk/zulip,dawran6/zulip,shubhamdhama/zulip,tommyip/zulip,jrowan/zulip,samatdav/zulip,JPJPJPOPOP/zulip,souravbadami/zulip,kou/zulip,zulip/zulip,jrowan/zulip,andersk/zulip,sharmaeklavya2/zulip,souravbadami/zulip,dhcrzf/zulip,synicalsyntax/zulip,andersk/zulip,brockwhittaker/zulip,sonali0901/zulip,amanharitsh123/zulip,ryanbackman/zulip,susansls/zulip,sharmaeklavya2/zulip,synicalsyntax/zulip,sonali0901/zulip,isht3/zulip,souravbadami/zulip,brainwane/zulip,j831/zulip,j831/zulip,amanharitsh123/zulip,andersk/zulip,vaidap/zulip,hackerkid/zulip,amyliu345/zulip,Diptanshu8/zulip,isht3/zulip,Diptanshu8/zulip,tommyip/zulip,rht/zulip,brockwhittaker/zulip,blaze225/zulip,sharmaeklavya2/zulip,brainwane/zulip,punchagan/zulip,kou/zulip,jainayush975/zulip,synicalsyntax/zulip,PhilSk/zulip,vaidap/zulip,andersk/zulip,christi3k/zulip,sharmaeklavya2/zulip,JPJPJPOPOP/zulip,aakash-cr7/zulip,souravbadami/zulip,showell/zulip,blaze225/zulip,brockwhittaker/zulip,souravbadami/zulip,showell/zulip,ryanbackman/zulip,verma-varsha/zulip,brainwane/zulip,andersk/zulip,mahim97/zulip,shubhamdhama/zulip,aakash-cr7/zulip,susansls/zulip,AZtheAsian/zulip,jrowan/zulip,kou/zulip,hackerkid/zulip,PhilSk/zulip,synicalsyntax/zulip,samatdav/zulip,mahim97/zulip,JPJPJPOPOP/zulip,sonali0901/zulip,timabbott/zulip,vabs22/zulip,blaze225/zulip,isht3/zulip,rht/zulip,amyliu345/zulip,dattatreya303/zulip,Galexrt/zulip,shubhamdhama/zulip,hackerkid/zulip,souravbadami/zulip,timabbott/zulip,blaze225/zulip,amanharitsh123/zulip,mahim97/zulip,christi3k/zulip,dattatreya303/zulip,dattatreya303/zulip,j831/zulip,dhcrzf/zulip,showell/zulip,jrowan/zulip,rht/zulip,jainayush975/zulip,eeshangarg/zulip,shubhamdhama/zulip,vaidap/zulip,hackerkid/zulip,rishig/zulip,jackrzhang/zulip,punchagan/zulip,isht3/zulip,shubhamdhama/zulip,AZtheAsian/zulip,hackerkid/zulip,jackrzhang/zulip,amyliu345/zulip,aakash-cr7/zulip,tommyip/zulip,amyliu345/zulip,showell/zulip,jackrzhang/zulip,jainayush975/zulip,hackerkid/zulip,Galexrt/zulip,brockwhittaker/zulip,verma-varsha/zulip,rht/zulip,punchagan/zulip,tommyip/zulip,AZtheAsian/zulip,amanharitsh123/zulip,zulip/zulip,eeshangarg/zulip,blaze225/zulip,isht3/zulip,dawran6/zulip,eeshangarg/zulip,aakash-cr7/zulip,jackrzhang/zulip,PhilSk/zulip,timabbott/zulip,j831/zulip,punchagan/zulip,kou/zulip,rht/zulip,eeshangarg/zulip,timabbott/zulip,dattatreya303/zulip,kou/zulip,dawran6/zulip,rishig/zulip,verma-varsha/zulip,brockwhittaker/zulip,SmartPeople/zulip,aakash-cr7/zulip,synicalsyntax/zulip,j831/zulip,jphilipsen05/zulip,JPJPJPOPOP/zulip,christi3k/zulip,jackrzhang/zulip,JPJPJPOPOP/zulip,punchagan/zulip,PhilSk/zulip,sharmaeklavya2/zulip,zulip/zulip,AZtheAsian/zulip,samatdav/zulip,brainwane/zulip,dattatreya303/zulip