Move desktop and e2e into examples/ directory

- desktop/ → examples/django-react-desktop-app/
- e2e/ → examples/django-react-site/
- example/ → examples/django-react-site/backend/
- Update Dockerfile.test, Makefile, playwright config, and
  django.config.mjs path references

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

examples/django-react-desktop-app/frontend/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "mizan-desktop-frontend",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "vite --port 5173",
+    "build": "vite build"
+  },
+  "dependencies": {
+    "@rythazhur/mizan": "file:../../react",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0"
+  },
+  "devDependencies": {
+    "@types/react": "^19.0.0",
+    "@types/react-dom": "^19.0.0",
+    "@vitejs/plugin-react": "^4.0.0",
+    "typescript": "^5.7.0",
+    "vite": "^6.0.0"
+  }
+}