add .gitignore to go bindings

Author: hyperledger-bot

Diff for: .gitignore

@@ -0,0 +1,3 @@
+#SPDX-License-Identifier: Apache-2.0
+.idea
+.vscode

Diff for: README.md

@@ -1,5 +1,9 @@
 # Hyperledger Fabric gRPC and Protocol Buffer Bindings for go
 
+IMPORTANT: you should not attempt to make changes to this repository.
+It is an assembled representation of the [repository][fabric-protos].
+If you want to make changes, you must prepare them for the [repository][fabric-protos]
+
 This repository contains the Hyperledger Fabric [grpc] service and [protocol
 buffer][protobuf] bindings for [go].
 
@@ -25,3 +29,4 @@ Hyperledger Project source code files are made available under the Apache Licens
 [go]: https://golang.org/
 [grpc]: https://grpc.io/docs/guides/
 [protobuf]: https://github.com/protocolbuffers/protobuf/
+[fabric-protos]: https://github.com/hyperledger/fabric-protos/