Added README

README.md

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+# WireMock Cloud gRPC examples
+
+This project demonstrates an automated workflow for pushing a gRPC API definition into WireMock Cloud so that it can be mocked.
+
+Currently, the only example uses Maven, and does the following: 
+* Build the set of .proto files under `src/main/proto` into a descriptor file.
+* Push this into a specific WireMock Cloud mock API via the WireMock Cloud's API.
+
+A [GitHub Actions workflow](.github/workflows/maven-build-and-push.yml) does this on each push to `main`.