feat: Add Devcontainer Features by rosstaco to collection index (#689)

Co-authored-by: Abdurrahmaan Iqbal <abdurriq@github.com>

Author: rosstaco

_data/collection-index.yml

@@ -1461,6 +1461,11 @@
   contact: https://github.com/althack/devcontainers/issues
   repository: https://github.com/althack/devcontainers
   ociReference: ghcr.io/althack/devcontainers
+- name: Devcontainer Features by rosstaco
+  maintainer: rosstaco
+  contact: https://github.com/rosstaco/devcontainer-features/issues
+  repository: https://github.com/rosstaco/devcontainer-features
+  ociReference: ghcr.io/rosstaco/devcontainer-features
 - name: Devcontainer Features
   maintainer: agardnerit
   contact: https://github.com/agardnerIT/devcontainer-feature-dtctl/issues