Add repository containers docs link (#1321)

Author: bamurtaugh

README.md

@@ -47,7 +47,6 @@ If you want to try a sample project which already has a dev container, check out
 
 - [`containers`](containers) - Contains reusable dev container definitions.
 - [`script-library`](script-library) - Includes scripts used in this repository to install things. Also useful in your own Dockerfiles.
-- [`repository-containers`](repository-containers) - Dev container definitions for working public source code repositories. Only used by Remote - Containers.
 - [`container-templates`](container-templates) - Contains templates for creating your own container definitions or to [contribute back](CONTRIBUTING.md#contributing-dev-container-definitions).
 
 ## Common Questions

repository-containers/README.md

@@ -2,9 +2,11 @@
 
 While we encourage you to add development container configuration files to your repositories so others can benefit from them, some organizations prefer to not include development tool related files in source control. To provide additional flexibility, this folder includes dev container definitions that will be be used if you open the cloned repository using [Remote - Containers](https://aka.ms/vscode-remote/download/containers) extension (if there is no `.devcontainer.json` or `.devcontainer/devcontainer.json` file locally). The `images` folder here is used to pre-build images that are then referenced here or directly in source code repositories. 
 
-However, this is **not supported** from [GitHub Codespaces](https://github.com/features/codespaces) currently. 
+You may review [further documentation](https://code.visualstudio.com/docs/remote/create-dev-container#_alternative-repository-configuration-folders) about repository containers to learn how to best configure them.
 
-See [CONTRIBUTING.md](../CONTRIBUTING.md) for details on contributing a container.
+This is **not supported** from [GitHub Codespaces](https://github.com/features/codespaces) currently. 
+
+We are not accepting contributions for new repository containers. If you are interested in repository containers, we encourage you to use the [Remote - Containers capability](https://code.visualstudio.com/docs/remote/create-dev-container#_alternative-repository-configuration-folders) to have a local set of them.
 
 If you are looking for a list of additional dev container definitions that are included in the [Remote - Containers](https://aka.ms/vscode-remote/download/containers) extension, see the [containers](../containers) folder instead.