Create devcontainer.json

Author: John75SunCity

.devcontainer/devcontainer.json

@@ -0,0 +1,5 @@
+{
+  "image": "mcr.microsoft.com/devcontainers/universal:2",
+  "features": {}
+}
+"ghcr.io/devcontainers/features/docker-outside-of-docker:1": {}