feat: Add dusansimic devcontainers (#399)

Co-authored-by: Samruddhi Khandale <[email protected]>

Author: dusansimic

_data/collection-index.yml

@@ -758,6 +758,11 @@
   contact: https://github.com/veryl-lang/devcontainer-features/issues
   repository: https://github.com/veryl-lang/devcontainer-features/
   ociReference: ghcr.io/veryl-lang/devcontainer-features
+- name: Dev Container Features by dusansimic
+  maintainer: dusansimic
+  contact: https://github.com/dusansimic/devcontainer-features/issues
+  repository: https://github.com/dusansimic/devcontainer-features/
+  ociReference: ghcr.io/dusansimic/devcontainer-features
 - name: Dev Container Features (Cadu Ribeiro)
   maintainer: Cadu Ribeiro
   contact: https://github.com/duduribeiro/devcontainer-features/issues