feat(frontend): add API client, layout, and routing

- Create Axios-based API client with sources, jobs, and dashboard endpoints
- Add responsive Layout component with navigation sidebar
- Set up React Router with Dashboard, Backups, and Settings routes
- Configure TanStack Query provider with default options
- Use lucide-react for navigation icons

frontend/node_modules/tr46/package.json

@@ -0,0 +1,44 @@
+{
+  "name": "tr46",
+  "version": "5.1.1",
+  "engines": {
+    "node": ">=18"
+  },
+  "description": "An implementation of the Unicode UTS #46: Unicode IDNA Compatibility Processing",
+  "main": "index.js",
+  "files": [
+    "index.js",
+    "lib/"
+  ],
+  "scripts": {
+    "test": "node --test",
+    "lint": "eslint",
+    "pretest": "node scripts/getLatestTests.js",
+    "prepublish": "node scripts/generateMappingTable.js && node scripts/generateRegexes.js"
+  },
+  "repository": "https://github.com/jsdom/tr46",
+  "keywords": [
+    "unicode",
+    "tr46",
+    "uts46",
+    "punycode",
+    "url",
+    "whatwg"
+  ],
+  "author": "Sebastian Mayr <npm@smayr.name>",
+  "contributors": [
+    "Timothy Gu <timothygu99@gmail.com>"
+  ],
+  "license": "MIT",
+  "dependencies": {
+    "punycode": "^2.3.1"
+  },
+  "devDependencies": {
+    "@domenic/eslint-config": "^4.0.1",
+    "@unicode/unicode-16.0.0": "^1.6.5",
+    "eslint": "^9.22.0",
+    "globals": "^16.0.0",
+    "regenerate": "^1.4.2"
+  },
+  "unicodeVersion": "16.0.0"
+}