message: Minor edits to the root README.md
diff: @@ -40,6 +40,8 @@ Here's the breakdown of the repo:
  * [Docs](./docs)
  * [Tools](./tools)
  +Dependencies between packages in various layers of the system are enforced via a build step called [layer-check](./tools/build-tools/src/layerCheck). You can view the full list of packages and layers in [PACKAGES.md](./docs/PACKAGES.md).
  +
  ## Building
  In order to build the Fluid Framework, ensure that you have installed [Git](https://git-scm.com/downloads) and [Node.js](https://nodejs.org/).
  @@ -62,6 +64,8 @@ npm install
  npm run build:fast
  ```
  +See also: [Contributing](#Contributing)
  +
  ## Testing
  You can run all of our tests from the root of the repo, or you can run a scoped set of tests by running the `test`
  @@ -136,10 +140,13 @@ Then:
  There are many ways to [contribute](https://github.com/microsoft/FluidFramework/blob/master/CONTRIBUTING.md) to Fluid.
  +* Participate in Q&A on [StackOverflow](https://stackoverflow.com/questions/tagged/fluidframework)
  * [Submit bugs](https://github.com/microsoft/FluidFramework/issues) and help us verify fixes as they are checked in.
  * Review the [source code changes](https://github.com/microsoft/FluidFramework/pulls).
  * [Contribute bug fixes](https://github.com/microsoft/FluidFramework/blob/master/CONTRIBUTING.md).
  +Detailed instructions for working in the repo can be found in the [Wiki](https://github.com/microsoft/FluidFramework/wiki).
  +
  This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information see
  the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [opencode@microsoft.com](mailto:opencode@microsoft.com)
  with any additional questions or comments.
  