Add zsh completion script
Add zsh completion script

Fixes #163

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MOS_MIGRATED_REVID=95542929

spxtr/bazel,d/bazel,Digas29/bazel,mikelikespie/bazel,vt09/bazel,bazelbuild/bazel,mrdomino/bazel,spxtr/bazel,zhexuany/bazel,rhuss/bazel,iamthearm/bazel,murugamsm/bazel,mikelalcon/bazel,rhuss/bazel,snnn/bazel,nkhuyu/bazel,rohitsaboo/bazel,UrbanCompass/bazel,manashmndl/bazel,Krasnyanskiy/bazel,meteorcloudy/bazel,charlieaustin/bazel,hermione521/bazel,katre/bazel,dhootha/bazel,ulfjack/bazel,kamalmarhubi/bazel,meteorcloudy/bazel,UrbanCompass/bazel,kchodorow/bazel,gavares/bazel,aehlig/bazel,werkt/bazel,abergmeier-dsfishlabs/bazel,sicipio/bazel,UrbanCompass/bazel,joshua0pang/bazel,rhuss/bazel,spxtr/bazel,LuminateWireless/bazel,xindaya/bazel,dropbox/bazel,rohitsaboo/bazel,Krasnyanskiy/bazel,ButterflyNetwork/bazel,dropbox/bazel,Krasnyanskiy/bazel,dinowernli/bazel,davidzchen/bazel,Asana/bazel,wakashige/bazel,Ansahmadiba/bazel,dropbox/bazel,ulfjack/bazel,LuminateWireless/bazel,xindaya/bazel,cushon/bazel,werkt/bazel,joshua0pang/bazel,whuwxl/bazel,wakashige/bazel,mrdomino/bazel,werkt/bazel,dslomov/bazel,rhuss/bazel,whuwxl/bazel,nkhuyu/bazel,meteorcloudy/bazel,JackSullivan/bazel,werkt/bazel,xindaya/bazel,dslomov/bazel,asarazan/bazel,manashmndl/bazel,asarazan/bazel,kidaa/bazel,dslomov/bazel-windows,kchodorow/bazel,ButterflyNetwork/bazel,kchodorow/bazel-1,Topher-the-Geek/bazel,murugamsm/bazel,charlieaustin/bazel,gavares/bazel,rzagabe/bazel,UrbanCompass/bazel,Topher-the-Geek/bazel,Ansahmadiba/bazel,rohitsaboo/bazel,asarazan/bazel,bitemyapp/bazel,whuwxl/bazel,Topher-the-Geek/bazel,kidaa/bazel,kidaa/bazel,davidzchen/bazel,kchodorow/bazel-1,d/bazel,xindaya/bazel,bitemyapp/bazel,vt09/bazel,asarazan/bazel,dslomov/bazel,bitemyapp/bazel,snnn/bazel,charlieaustin/bazel,rhuss/bazel,rohitsaboo/bazel,werkt/bazel,d/bazel,akira-baruah/bazel,katre/bazel,Asana/bazel,hhclam/bazel,dinowernli/bazel,wakashige/bazel,safarmer/bazel,sicipio/bazel,akira-baruah/bazel,manashmndl/bazel,rzagabe/bazel,gavares/bazel,spxtr/bazel,sicipio/bazel,anupcshan/bazel,bazelbuild/bazel,twitter-forks/bazel,vt09/bazel,snnn/bazel,hhclam/bazel,ButterflyNetwork/bazel,ruo91/bazel,mbrukman/bazel,Digas29/bazel,bazelbuild/bazel,wakashige/bazel,kidaa/bazel,kchodorow/bazel-1,bazelbuild/bazel,dropbox/bazel,spxtr/bazel,mikelalcon/bazel,ruo91/bazel,Topher-the-Geek/bazel,whuwxl/bazel,hermione521/bazel,gavares/bazel,kchodorow/bazel-1,LuminateWireless/bazel,juhalindfors/bazel-patches,dslomov/bazel-windows,twitter-forks/bazel,werkt/bazel,variac/bazel,safarmer/bazel,UrbanCompass/bazel,Asana/bazel,sicipio/bazel,kidaa/bazel,bitemyapp/bazel,sicipio/bazel,charlieaustin/bazel,murugamsm/bazel,kchodorow/bazel,whuwxl/bazel,damienmg/bazel,cushon/bazel,davidzchen/bazel,LuminateWireless/bazel,Asana/bazel,nkhuyu/bazel,perezd/bazel,juhalindfors/bazel-patches,manashmndl/bazel,kchodorow/bazel,mrdomino/bazel,twitter-forks/bazel,wakashige/bazel,anupcshan/bazel,meteorcloudy/bazel,katre/bazel,akira-baruah/bazel,JackSullivan/bazel,damienmg/bazel,ruo91/bazel,Topher-the-Geek/bazel,safarmer/bazel,aehlig/bazel,Krasnyanskiy/bazel,nkhuyu/bazel,perezd/bazel,abergmeier-dsfishlabs/bazel,murugamsm/bazel,ButterflyNetwork/bazel,rohitsaboo/bazel,bitemyapp/bazel,juhalindfors/bazel-patches,variac/bazel,mikelalcon/bazel,katre/bazel,JackSullivan/bazel,kamalmarhubi/bazel,akira-baruah/bazel,dslomov/bazel-windows,Topher-the-Geek/bazel,manashmndl/bazel,Ansahmadiba/bazel,juhalindfors/bazel-patches,iamthearm/bazel,dinowernli/bazel,mbrukman/bazel,dslomov/bazel-windows,davidzchen/bazel,xindaya/bazel,mikelikespie/bazel,rzagabe/bazel,cushon/bazel,hhclam/bazel,Digas29/bazel,vt09/bazel,JackSullivan/bazel,mbrukman/bazel,bazelbuild/bazel,mbrukman/bazel,zhexuany/bazel,Digas29/bazel,charlieaustin/bazel,hermione521/bazel,dslomov/bazel,akira-baruah/bazel,abergmeier-dsfishlabs/bazel,ruo91/bazel,hermione521/bazel,ruo91/bazel,nkhuyu/bazel,safarmer/bazel,kamalmarhubi/bazel,asarazan/bazel,dhootha/bazel,anupcshan/bazel,mrdomino/bazel,kchodorow/bazel,variac/bazel,rzagabe/bazel,charlieaustin/bazel,juhalindfors/bazel-patches,joshua0pang/bazel,mrdomino/bazel,kidaa/bazel,variac/bazel,aehlig/bazel,dslomov/bazel-windows,anupcshan/bazel,iamthearm/bazel,Digas29/bazel,variac/bazel,JackSullivan/bazel,zhexuany/bazel,kchodorow/bazel-1,dslomov/bazel,damienmg/bazel,bazelbuild/bazel,Ansahmadiba/bazel,mikelalcon/bazel,hermione521/bazel,joshua0pang/bazel,aehlig/bazel,sicipio/bazel,perezd/bazel,mikelikespie/bazel,hhclam/bazel,murugamsm/bazel,damienmg/bazel,rzagabe/bazel,ulfjack/bazel,wakashige/bazel,dinowernli/bazel,Krasnyanskiy/bazel,asarazan/bazel,dinowernli/bazel,bitemyapp/bazel,damienmg/bazel,kidaa/bazel,dslomov/bazel,cushon/bazel,LuminateWireless/bazel,kchodorow/bazel,mbrukman/bazel,Krasnyanskiy/bazel,ulfjack/bazel,dropbox/bazel,juhalindfors/bazel-patches,variac/bazel,Asana/bazel,meteorcloudy/bazel,dinowernli/bazel,twitter-forks/bazel,dslomov/bazel,Asana/bazel,murugamsm/bazel,dropbox/bazel,rzagabe/bazel,mikelalcon/bazel,hermione521/bazel,joshua0pang/bazel,zhexuany/bazel,akira-baruah/bazel,ulfjack/bazel,snnn/bazel,abergmeier-dsfishlabs/bazel,kchodorow/bazel-1,whuwxl/bazel,katre/bazel,damienmg/bazel,perezd/bazel,dhootha/bazel,variac/bazel,xindaya/bazel,d/bazel,rzagabe/bazel,iamthearm/bazel,twitter-forks/bazel,kidaa/bazel,hhclam/bazel,dhootha/bazel,katre/bazel,Ansahmadiba/bazel,sicipio/bazel,aehlig/bazel,murugamsm/bazel,ruo91/bazel,d/bazel,ulfjack/bazel,dslomov/bazel-windows,Krasnyanskiy/bazel,dhootha/bazel,iamthearm/bazel,mrdomino/bazel,hhclam/bazel,meteorcloudy/bazel,ruo91/bazel,mikelikespie/bazel,bitemyapp/bazel,manashmndl/bazel,anupcshan/bazel,twitter-forks/bazel,perezd/bazel,dhootha/bazel,vt09/bazel,safarmer/bazel,JackSullivan/bazel,wakashige/bazel,safarmer/bazel,cushon/bazel,zhexuany/bazel,vt09/bazel,juhalindfors/bazel-patches,spxtr/bazel,mikelikespie/bazel,snnn/bazel,cushon/bazel,d/bazel,mbrukman/bazel,abergmeier-dsfishlabs/bazel,spxtr/bazel,nkhuyu/bazel,perezd/bazel,ulfjack/bazel,Topher-the-Geek/bazel,Ansahmadiba/bazel,xindaya/bazel,asarazan/bazel,meteorcloudy/bazel,damienmg/bazel,kamalmarhubi/bazel,rhuss/bazel,mikelikespie/bazel,gavares/bazel,davidzchen/bazel,Asana/bazel,kchodorow/bazel,kamalmarhubi/bazel,Ansahmadiba/bazel,joshua0pang/bazel,bitemyapp/bazel,ButterflyNetwork/bazel,charlieaustin/bazel,twitter-forks/bazel,Topher-the-Geek/bazel,joshua0pang/bazel,gavares/bazel,iamthearm/bazel,LuminateWireless/bazel,nkhuyu/bazel,snnn/bazel,gavares/bazel,aehlig/bazel,rohitsaboo/bazel,vt09/bazel,JackSullivan/bazel,rzagabe/bazel,anupcshan/bazel,mikelalcon/bazel,ButterflyNetwork/bazel,manashmndl/bazel,d/bazel,rhuss/bazel,Krasnyanskiy/bazel,perezd/bazel,davidzchen/bazel,aehlig/bazel,Digas29/bazel,UrbanCompass/bazel,davidzchen/bazel,zhexuany/bazel,gavares/bazel,dhootha/bazel,abergmeier-dsfishlabs/bazel,kamalmarhubi/bazel,snnn/bazel