Add zsh completion for 'docker image build --cache-from'
Add zsh completion for 'docker image build --cache-from'

Signed-off-by: Steve Durrheimer <a2c1a055e5b399822be341b4e663de3cd05cf8f7@gmail.com>

ffoysal/docker,amatsus/docker,konstruktoid/docker-1,mstanleyjones/docker,michael-holzheu/docker,ndeloof/docker,dmcgowan/docker,Ramzec/docker,hqhq/moby,flavio/docker,thtanaka/docker,mahak/docker,ColinHebert/docker,qudongfang/docker,coolljt0725/docker,tonistiigi/docker,cyphar/docker,cpuguy83/docker,jvanz/docker,nalind/docker,yosifkit/docker,kolyshkin/moby,flavio/docker,ibuildthecloud/docker,JMesser81/docker,harche/docker,duglin/docker,kojiromike/docker,shishir-a412ed/docker,ColinHebert/docker,unclejack/docker,mkumatag/docker,konstruktoid/docker-upstream,thtanaka/docker,lixiaobing1/docker,cyphar/docker,yasiramin10p/moby,Ramzec/docker,mtesselH/docker,moby/moby,scotttlin/docker,raja-sami-10p/moby,pramodhkp/moby,jthelin/docker,pradipd/moby,ibuildthecloud/docker,moypray/docker,mike1729/docker,yosifkit/docker,haveatry/docker,thaJeztah/docker,djs55/docker,erikstmartin/docker,dims/docker,YuPengZTE/docker,justincormack/docker,PatrickLang/moby,naveed-jamil-tenpearls/moby,rhatdan/docker,docker/docker,pramodhkp/moby,KingEmet/docker,rancher/docker,shhsu/docker,dsheets/moby,whuwxl/docker,mixja/docker,justincormack/docker,dgageot/docker,AkihiroSuda/docker,shhsu/docker,POLJM242/docker,djs55/docker,mikedougherty/docker,bearstech/moby,tophj-ibm/docker,Ramzec/docker,x1022as/docker,cyphar/docker,mtesselH/docker,mike1729/docker,estesp/docker,ripcurld0/moby,SvenDowideit/docker,shhsu/docker,shishir-a412ed/docker,Mokolea/docker,Syntaxide/docker,Ramzec/docker,lixiaobing10051267/docker,tophj-ibm/moby,scotttlin/docker,YuPengZTE/docker,rremer/moby,jvanz/docker,JMesser81/docker,amatsus/docker,charleszheng44/moby,konstruktoid/docker-upstream,HideoYamauchi/docker,scotttlin/docker,jlhawn/docker,lixiaobing1/docker,tophj-ibm/docker,jlhawn/docker,dgageot/docker,sdurrheimer/docker,yongtang/docker,mtrmac/docker,rhatdan/docker,gnailuy/docker,miminar/docker,pradipd/moby,kolyshkin/docker,moul/docker,coolljt0725/docker,kolyshkin/moby,akira-baruah/docker,laijs/docker,docker/docker,mikedougherty/docker,moypray/docker,dccurtis/docker,KarthikNayak/docker,raja-sami-10p/moby,tmp6154/docker,bonczj/moby-json-file-logger,cpuguy83/docker,prertik/docker,kencochrane/docker,dperny/docker,erikstmartin/docker,bonczj/moby-json-file-logger,jimjag/docker,sdurrheimer/docker,tklauser/docker,paralin/docker,sarnautov/moby,dims/docker,yosifkit/docker,coolljt0725/docker,mkumatag/docker,erikh/docker,gnailuy/docker,q384566678/docker,unclejack/docker,flavio/docker,konstruktoid/docker-upstream,danyalKhaliq10p/moby,ibuildthecloud/docker,kojiromike/docker,jwhonce/docker,ndeloof/docker,jimjag/docker,unclejack/docker,laijs/moby,akira-baruah/docker,hqhq/moby,resin-io/docker,gschaetz/moby,dmcgowan/docker,erikstmartin/docker,xuxinkun/docker,maxamillion/docker,noironetworks/docker,x1022as/docker,nawawi/docker,imkin/moby,stevvooe/docker,yummypeng/docker,konstruktoid/docker-1,gnailuy/docker,sterchelen/docker,whuwxl/docker,crosbymichael/docker,yosifkit/docker,xuxinkun/docker,konstruktoid/docker-1,mixja/docker,allencloud/docker,SvenDowideit/docker,imkin/moby,liaoqingwei/docker,ripcurld0/moby,stevvooe/docker,moby/moby,catinthesky/docker,coreos/docker,laijs/docker,dsheets/moby,moul/docker,thaJeztah/docker,KingEmet/docker,estesp/docker,darrenstahlmsft/docker,rancher/docker,kolyshkin/docker,trebonian/docker,tmp6154/docker,nalind/docker,Mokolea/docker,ffoysal/docker,Syntaxide/docker,trebonian/docker,estesp/docker,lixiaobing10051267/docker,bearstech/moby,yasiramin10p/moby,liaoqingwei/docker,mtrmac/docker,vdemeester/docker,mikebrow/docker,ibuildthecloud/docker,bearstech/moby,tmp6154/docker,stevvooe/docker,mike1729/docker,yummypeng/docker,duglin/docker,alfred-landrum/docker,moul/docker,jimjag/docker,whuwxl/docker,miminar/docker,catinthesky/docker,q384566678/docker,maxamillion/docker,haveatry/docker,nawawi/docker,tophj-ibm/docker,gschaetz/moby,cpuguy83/docker,xuxinkun/docker,dgageot/docker,moby/moby,resin-io/docker,imkin/moby,madhanrm/docker,jameszhan/docker,ndeloof/docker,coreos/docker,charleszheng44/moby,nawawi/docker,darrenstahlmsft/moby,HideoYamauchi/docker,tianon/docker,konstruktoid/docker-upstream,moby/moby,miminar/docker,mtesselH/docker,PatrickLang/moby,Mokolea/docker,jwhonce/docker,srust/docker,bearstech/moby,ripcurld0/moby,diogomonica/docker,rremer/moby,AkihiroSuda/docker,dperny/docker,catinthesky/docker,danyalKhaliq10p/moby,diogomonica/docker,crosbymichael/docker,amatsus/docker,gschaetz/moby,sterchelen/docker,gjaskiewicz/moby,nawawi/docker,alfred-landrum/docker,jimjag/docker,danyalKhaliq10p/moby,laijs/moby,mkumatag/docker,resin-io/docker,darrenstahlmsft/moby,mstanleyjones/docker,naveed-jamil-tenpearls/moby,trebonian/docker,crosbymichael/docker,maxamillion/docker,ffoysal/docker,yasiramin10p/moby,madhanrm/docker,POLJM242/docker,tklauser/docker,Syntaxide/docker,johnstep/moby-moby,kencochrane/docker,flavio/docker,gnailuy/docker,ColinHebert/docker,erikh/docker,KingEmet/docker,allencloud/docker,kencochrane/docker,shishir-a412ed/docker,gjaskiewicz/moby,laijs/docker,mikedougherty/docker,tianon/docker,moypray/docker,darrenstahlmsft/moby,diogomonica/docker,dsheets/moby,srust/docker,noironetworks/docker,sarnautov/moby,erikh/docker,bonczj/moby-json-file-logger,lixiaobing10051267/docker,harche/docker,PatrickLang/moby,laijs/moby,darrenstahlmsft/docker,allencloud/docker,yummypeng/docker,tonistiigi/docker,alfred-landrum/docker,SvenDowideit/docker,prertik/docker,dccurtis/docker,madhanrm/docker,tonistiigi/docker,vdemeester/docker,AkihiroSuda/docker,moul/docker,darrenstahlmsft/docker,HideoYamauchi/docker,Mokolea/docker,paralin/docker,sdurrheimer/docker,gjaskiewicz/moby,mahak/docker,fcrisciani/docker,mtrmac/docker,q384566678/docker,vdemeester/docker,sterchelen/docker,docker/docker,nalind/docker,thtanaka/docker,cpuguy83/docker,dccurtis/docker,michael-holzheu/docker,prertik/docker,paralin/docker,JMesser81/docker,paralin/docker,pramodhkp/moby,djs55/docker,sarnautov/moby,qudongfang/docker,pradipd/moby,AkihiroSuda/docker,ibuildthecloud/docker,kolyshkin/moby,YuPengZTE/docker,mikebrow/docker,mahak/docker,x1022as/docker,srust/docker,thaJeztah/docker,michael-holzheu/docker,naveed-jamil-tenpearls/moby,jwhonce/docker,coreos/docker,raja-sami-10p/moby,mixja/docker,KarthikNayak/docker,KarthikNayak/docker,yongtang/docker,dmcgowan/docker,hqhq/moby,nalind/docker,tophj-ibm/moby,jlhawn/docker,trebonian/docker,jameszhan/docker,mstanleyjones/docker,harche/docker,mikebrow/docker,jthelin/docker,tklauser/docker,noironetworks/docker,haveatry/docker,thaJeztah/docker,johnstep/moby-moby,johnstep/moby-moby,yongtang/docker,justincormack/docker,duglin/docker,jvanz/docker,tophj-ibm/moby,lixiaobing1/docker,fcrisciani/docker,liaoqingwei/docker,mahak/docker,qudongfang/docker,kojiromike/docker,jameszhan/docker,rhatdan/docker,charleszheng44/moby,fcrisciani/docker,rancher/docker,dims/docker,dperny/docker,rremer/moby