renamed devcontainer features -> 'ghcr.io/devcontainers-extra/*'

Author: behrica

.devcontainer/devcontainer.json

@@ -7,11 +7,11 @@
 
 
 	"features": {
-		"ghcr.io/devcontainers-contrib/features/clojure-asdf:2": {},
+		"ghcr.io/devcontainers-extra/features/clojure-asdf:2": {},
 		"ghcr.io/rocker-org/devcontainer-features/quarto-cli:1": {},
-		"ghcr.io/devcontainers-contrib/features/bash-command:1": 
+		"ghcr.io/devcontainers-extra/features/bash-command:1": 
 		{"command": "apt-get update && apt-get install -y rlwrap && apt-get install -y libxtst-dev"},
-		"ghcr.io/devcontainers-contrib/features/poetry:2" : {},
+		"ghcr.io/devcontainers-extra/features/poetry:2" : {},
 		"ghcr.io/rocker-org/devcontainer-features/r-apt:0": {}