Add Rails Dev Container Templates and Features

Author: m-dango

_data/collection-index.yml

@@ -1257,3 +1257,13 @@
   contact: https://github.com/pairspaces/devcontainers/issues
   repository: https://github.com/pairspaces/devcontainers
   ociReference: ghcr.io/pairspaces/devcontainers/pairspaces
+- name: Rails Dev Container Templates
+  maintainer: Rails Contributors
+  contact: https://github.com/rails/devcontainer/issues
+  repository: https://github.com/rails/devcontainer
+  ociReference: ghcr.io/rails/devcontainer/images
+- name: Rails Dev Container Features
+  maintainer: Rails Contributors
+  contact: https://github.com/rails/devcontainer/issues
+  repository: https://github.com/rails/devcontainer
+  ociReference: ghcr.io/rails/devcontainer/features