Added trunk-devcontainer-feature (#694)

* feat: Added `trunk-devcontainer-feature`

* chore: Update `maintainer` and `ociReference` according to guidlines

Author: mrhornsby

_data/collection-index.yml

@@ -1481,3 +1481,8 @@
   contact: https://github.com/nkdui/devcontainer-features/issues
   repository: https://github.com/nkdui/devcontainer-features
   ociReference: ghcr.io/nkdui/devcontainer-features
+- name: trunk-rs devcontainer feature
+  maintainer: mrhornsby
+  contact: https://github.com/mrhornsby/trunk-devcontainer-feature/issues
+  repository: https://github.com/mrhornsby/trunk-devcontainer-feature
+  ociReference: ghcr.io/mrhornsby/trunk-devcontainer-feature