Update collection-index.yml (devcontainers#635)

Add features by Carlos Eduardo Monti

Co-authored-by: Álvaro Rausell Guiard <33221237+AlvaroRausell@users.noreply.github.com>

Author: slaytanic

_data/collection-index.yml

@@ -1285,6 +1285,11 @@
   contact: https://github.com/pairspaces/devcontainers/issues
   repository: https://github.com/pairspaces/devcontainers
   ociReference: ghcr.io/pairspaces/devcontainers/pairspaces
+- name: Dev Container Features by Carlos Eduardo Monti
+  maintainer: Carlos Eduardo Monti
+  contact: https://github.com/slaytanic/devcontainer/issues
+  repository: https://github.com/slaytanic/devcontainer
+  ociReference: ghcr.io/slaytanic/devcontainer
 - name: Dev Container Features by Rayyan Abdul-Wahhab
   maintainer: Rayyan Abdul-Wahhab
   contact: https://github.com/rabdulwahhab/devcontainer-features/issues