Add features by Iain Galloway

Author: iaingalloway

_data/collection-index.yml

@@ -1501,3 +1501,6 @@
   contact: https://github.com/nkaaf/devcontainer-features/issues
   repository: https://github.com/nkaaf/devcontainer-features
   ociReference: ghcr.io/nkaaf/devcontainer-features
+- name: Devcontainer Features by Iain Galloway
+  repository: https://github.com/iaingalloway/features
+  ociReference: ghcr.io/iaingalloway/features