Added Dev Container Features by ttyrho to collection index (devcontainers#647)

Co-authored-by: Abdurrahmaan Iqbal <137001048+abdurriq@users.noreply.github.com>

Author: ttyrho

_data/collection-index.yml

@@ -1386,3 +1386,8 @@
   contact: https://github.com/metinsenturk/devcontainer-templates/issues
   repository: https://github.com/metinsenturk/devcontainer-templates
   ociReference: ghcr.io/metinsenturk/devcontainer-templates
+- name: Dev Container Features by ttyrho
+  maintainer: ttyrho
+  contact: https://github.com/ttyrho/devcontainer-features/issues
+  repository: https://github.com/ttyrho/devcontainer-features
+  ociReference: ghcr.io/ttyrho/devcontainer-features