feat: add basic layout (#3)

Co-authored-by: typist <git@mail.typist.cc>
Reviewed-on: #3

package.json

@@ -10,13 +10,17 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@radix-ui/react-dialog": "^1.1.15",
+    "@radix-ui/react-separator": "^1.1.7",
     "@radix-ui/react-slot": "^1.2.3",
+    "@radix-ui/react-tooltip": "^1.2.8",
     "@tailwindcss/vite": "^4.1.16",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "lucide-react": "^0.548.0",
     "react": "^19.1.1",
     "react-dom": "^19.1.1",
+    "react-router-dom": "^7.9.4",
     "tailwind-merge": "^3.3.1",
     "tailwindcss": "^4.1.16"
   },