Add dev container collection focused on multi-repo and rapid renv library setup (#660)

* Add MiguelRodo/DevContainerFeatures as a community-supported feature repo

* Fix typo in maintainer field

* Fix maintainer name formatting in collection index

* Rename and update Data Project features entry

* Add repository link for Data Project Features

Author: MiguelRodo

_data/collection-index.yml

@@ -1396,3 +1396,8 @@
   contact: https://github.com/LDlornd/uv-dev-container/issues
   repository: https://github.com/LDlornd/uv-dev-container
   ociReference: ghcr.io/LDlornd/uv-dev-container/lornd-uv
+- name: Data Project Features by Miguel Rodo
+  maintainer: Miguel Rodo
+  contact: https://github.com/MiguelRodo/DevContainerFeatures/issues
+  repository: https://github.com/MiguelRodo/DevContainerFeatures
+  ociReference: ghcr.io/miguelrodo/devcontainerfeatures