message: chore: Put a link to contributing guide
diff: @@ -49,6 +49,7 @@ This plugin has the following features:
  - [Template strings](#template-strings)
  - [Available editors](#available-editors)
  - [GraphQL version compatibility](#graphql-version-compatibility)
  +- [Contributing](#contributing)
  - [License](#license)
  <!-- tocstop -->
  @@ -597,6 +598,10 @@ And the following editor have TypeScript plugin with LanguageService so they're
  - If you use `graphql < 15.x`, install `ts-graphql-plugin@^1.x.x`.
  +## Contributing
  +
  +See [contribution guide](CONTRIBUTING.md).
  +
  ## License
  This software is released under the MIT License, see LICENSE.txt.
  