Adding new collection to collection-index.yml (#456)

Co-authored-by: Samruddhi Khandale <[email protected]>

Author: phil-bell

_data/collection-index.yml

@@ -918,6 +918,11 @@
   contact: https://github.com/adaptavist/devcontainer-features/issues
   repository: https://github.com/adaptavist/devcontainer-features
   ociReference: ghcr.io/adaptavist/devcontainer-features
+- name: Dev Container features by phil-bell
+  maintainer: Phil Bell
+  contact: https://github.com/phil-bell/devcontainer-features/issues
+  repository: https://github.com/phil-bell/devcontainer-features
+  ociReference: ghcr.io/phil-bell/devcontainer-features
 - name: Dev Container Templates by Alex Wegener
   maintainer: Alex Wegener
   contact: https://github.com/lx-0/devcontainer-templates/issues