Added nodejs to the dev container to support building Admin (#5187)

* Added nodejs to the dev container to support building Admin

* Updated to use the existing devcontainer node feature

* Moved features up to root

.devcontainer/community_dev/devcontainer.json

@@ -3,6 +3,11 @@
   "dockerComposeFile": "../../.devcontainer/bitwarden_common/docker-compose.yml",
   "service": "bitwarden_server",
   "workspaceFolder": "/workspace",
+  "features": {
+    "ghcr.io/devcontainers/features/node:1": {
+      "version": "16"
+    }
+  },
   "mounts": [
     {
       "source": "../../dev/.data/keys",
@@ -13,7 +18,6 @@
   "customizations": {
     "vscode": {
       "settings": {},
-      "features": {},
       "extensions": ["ms-dotnettools.csdevkit"]
     }
   },