feat(XingxinHE): add feature registry (#624)

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

Author: XingxinHE

_data/collection-index.yml

@@ -1280,6 +1280,11 @@
   contact: https://github.com/pairspaces/devcontainers/issues
   repository: https://github.com/pairspaces/devcontainers
   ociReference: ghcr.io/pairspaces/devcontainers/pairspaces
+- name: Xingxin HE's Devcontainer Features
+  maintainer: XingxinHE
+  contact: https://github.com/XingxinHE/devcontainer-features/issues
+  repository: https://github.com/XingxinHE/devcontainer-features
+  ociReference: ghcr.io/xingxinhe/devcontainer-features
 - name: Dev Container Features by ProxayFox
   maintainer: ProxayFox
   contact: https://github.com/ProxayFox/devcontainer-features/issues