Bor rpc (#6)

* add bor grpc apis and milestone apis proto

* save

Author: anshalshukla

Makefile

@@ -46,3 +46,9 @@ protoc-clean:
 grpc: protoc-all
 	PATH="$(GOBIN):$(PATH)" protoc --proto_path=. --go_out=. --go-grpc_out=. -I=$(PROTOC_INCLUDE) \
 		heimdall/heimdall.proto
+	PATH="$(GOBIN):$(PATH)" protoc --proto_path=. --go_out=. --go-grpc_out=. -I=$(PROTOC_INCLUDE) \
+		bor/bor.proto
+	PATH="$(GOBIN):$(PATH)" protoc --proto_path=. --go_out=. --go-grpc_out=. -I=$(PROTOC_INCLUDE) \
+		common/common.proto
+	cp github.com/maticnetwork/polyproto/common/* ./common/ 
+	rm -rf github.com