Update collection-index.yml

Author: EstebenR

_data/collection-index.yml

@@ -1138,3 +1138,8 @@
   contact: https://github.com/navinkrishnan/devcontainer-templates-btp/issues
   repository: https://github.com/navinkrishnan/devcontainer-templates-btp
   ociReference: ghcr.io/navinkrishnan/devcontainer-templates-btp
+- name: EstebenR Devcontainers
+  maintainer: EstebenR (Papabos)
+  contact: https://github.com/EstebenR/devcontainers/issues
+  repository: https://github.com/EstebenR/devcontainers/
+  ociReference: ghcr.io/EstebenR/devcontainers