Add Protobuf with Testing + Codegen (#7)

Reviewed-on: #7
Reviewed-by: Ivan Malison <ivanmalison@gmail.com>
Co-authored-by: Mike Kalange <countablecloud@gmail.com>
Co-committed-by: Mike Kalange <countablecloud@gmail.com>

.gitea/workflows/tests.yaml

@@ -13,5 +13,5 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: recursive
-      - name: graphql-codegen causes no changes
+      - name: codegen causes no changes
         run: ./bin/assert-no-changes-wrapper.sh