Ignore files generated from proto files (#202)

Fixes #185.

Author: llucax

RELEASE_NOTES.md

@@ -20,6 +20,7 @@
 ### Cookiecutter template
 
 - The `pylint` check `too-many-return-statements` is now disabled by default.
+- Generated protobuf files are now ignored by Git.
 
 ## Bug Fixes
 

cookiecutter/{{cookiecutter.github_repo_name}}/.gitignore

@@ -144,6 +144,14 @@ cython_debug/
 
 # PyCharm
 .idea
+{%- if cookiecutter.type == "api" %}
+
+# Auto-generated python files from the protocol buffer compiler
+py/**/*_pb2.py
+py/**/*_pb2.pyi
+py/**/*_pb2_grpc.py
+py/**/*_pb2_grpc.pyi
+{%- endif %}
 
 # Automatically generated documentation
 docs/reference/

tests_golden/integration/test_cookiecutter_generation/api/frequenz-api-test/.gitignore

@@ -145,6 +145,12 @@ cython_debug/
 # PyCharm
 .idea
 
+# Auto-generated python files from the protocol buffer compiler
+py/**/*_pb2.py
+py/**/*_pb2.pyi
+py/**/*_pb2_grpc.py
+py/**/*_pb2_grpc.pyi
+
 # Automatically generated documentation
 docs/reference/
 site/