Add some basic documentation to grpc protocol
Add some basic documentation to grpc protocol

Nothing too detailed, a basic outline.

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PiperOrigin-RevId: 141205173
MOS_MIGRATED_REVID=141205173

kchodorow/bazel,dropbox/bazel,spxtr/bazel,twitter-forks/bazel,perezd/bazel,cushon/bazel,dslomov/bazel,kchodorow/bazel-1,davidzchen/bazel,mikelikespie/bazel,dropbox/bazel,twitter-forks/bazel,dslomov/bazel-windows,variac/bazel,cushon/bazel,dslomov/bazel,perezd/bazel,kchodorow/bazel,juhalindfors/bazel-patches,snnn/bazel,perezd/bazel,spxtr/bazel,dslomov/bazel,damienmg/bazel,LuminateWireless/bazel,damienmg/bazel,bazelbuild/bazel,dslomov/bazel,cushon/bazel,aehlig/bazel,dropbox/bazel,snnn/bazel,kchodorow/bazel,hermione521/bazel,damienmg/bazel,dropbox/bazel,dslomov/bazel-windows,ulfjack/bazel,werkt/bazel,cushon/bazel,snnn/bazel,werkt/bazel,damienmg/bazel,safarmer/bazel,juhalindfors/bazel-patches,meteorcloudy/bazel,variac/bazel,Asana/bazel,dslomov/bazel-windows,mikelikespie/bazel,ulfjack/bazel,davidzchen/bazel,Asana/bazel,aehlig/bazel,hermione521/bazel,safarmer/bazel,twitter-forks/bazel,Asana/bazel,safarmer/bazel,perezd/bazel,juhalindfors/bazel-patches,akira-baruah/bazel,davidzchen/bazel,spxtr/bazel,variac/bazel,mikelikespie/bazel,ButterflyNetwork/bazel,snnn/bazel,perezd/bazel,Asana/bazel,mikelikespie/bazel,dslomov/bazel,safarmer/bazel,akira-baruah/bazel,aehlig/bazel,safarmer/bazel,werkt/bazel,twitter-forks/bazel,dslomov/bazel-windows,dslomov/bazel-windows,snnn/bazel,davidzchen/bazel,meteorcloudy/bazel,kchodorow/bazel-1,katre/bazel,bazelbuild/bazel,variac/bazel,ButterflyNetwork/bazel,davidzchen/bazel,hermione521/bazel,kchodorow/bazel,Asana/bazel,ulfjack/bazel,dslomov/bazel,davidzchen/bazel,dropbox/bazel,LuminateWireless/bazel,aehlig/bazel,spxtr/bazel,damienmg/bazel,cushon/bazel,meteorcloudy/bazel,katre/bazel,LuminateWireless/bazel,kchodorow/bazel,perezd/bazel,twitter-forks/bazel,akira-baruah/bazel,safarmer/bazel,meteorcloudy/bazel,dslomov/bazel-windows,hermione521/bazel,snnn/bazel,katre/bazel,LuminateWireless/bazel,kchodorow/bazel-1,ButterflyNetwork/bazel,dropbox/bazel,kchodorow/bazel-1,juhalindfors/bazel-patches,aehlig/bazel,kchodorow/bazel-1,variac/bazel,ulfjack/bazel,ButterflyNetwork/bazel,spxtr/bazel,akira-baruah/bazel,ulfjack/bazel,Asana/bazel,meteorcloudy/bazel,twitter-forks/bazel,davidzchen/bazel,perezd/bazel,juhalindfors/bazel-patches,katre/bazel,bazelbuild/bazel,aehlig/bazel,akira-baruah/bazel,aehlig/bazel,spxtr/bazel,damienmg/bazel,ulfjack/bazel,Asana/bazel,LuminateWireless/bazel,mikelikespie/bazel,katre/bazel,hermione521/bazel,katre/bazel,dslomov/bazel,kchodorow/bazel,meteorcloudy/bazel,ulfjack/bazel,bazelbuild/bazel,werkt/bazel,meteorcloudy/bazel,variac/bazel,cushon/bazel,juhalindfors/bazel-patches,variac/bazel,hermione521/bazel,werkt/bazel,juhalindfors/bazel-patches,ButterflyNetwork/bazel,bazelbuild/bazel,snnn/bazel,bazelbuild/bazel,LuminateWireless/bazel,damienmg/bazel,werkt/bazel,kchodorow/bazel,akira-baruah/bazel,kchodorow/bazel-1,twitter-forks/bazel,ButterflyNetwork/bazel,mikelikespie/bazel,spxtr/bazel