Create devcontainer.json

.devcontainer/devcontainer.json

+{
+  "name": "Jitsi Meet Dev Container",
+  "image": "mcr.microsoft.com/devcontainers/universal:2",
+  "features": {
+    "ghcr.io/devcontainers/features/node:1": {
+      "version": "16"
+    }
+  }
+}