Update collection-index.yml with m4tchl0ck Features (#401)

* Update collection-index.yml

* Update _data/collection-index.yml

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

* Update collection-index.yml

---------

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

Author: m4tchl0ck

_data/collection-index.yml

@@ -773,3 +773,8 @@
   contact: https://github.com/skriptfabrik/devcontainer-features/issues
   repository: https://github.com/skriptfabrik/devcontainer-features/
   ociReference: ghcr.io/skriptfabrik/devcontainer-features
+- name: Dev Container Features by m4tchl0ck
+  maintainer: Adrian Rusznica
+  contact: https://github.com/m4tchl0ck/devcontainer-features/issues
+  repository: https://github.com/m4tchl0ck/devcontainer-features/
+  ociReference: ghcr.io/m4tchl0ck/devcontainer-features