feat(website): add layout with header, sidebar, footer and navigation

- Create Header component with logo, nav, theme toggle, language switcher
- Create Sidebar component with doc navigation from config
- Create Footer component
- Create MobileNav component with hamburger menu
- Create navigation config file (docsConfig)
- Integrate all layout components into [locale]/layout.tsx
- Add framer-motion for mobile nav animations
- All tests passing, build successful

website/bun.lock

@@ -7,6 +7,7 @@
       "dependencies": {
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
+        "framer-motion": "^12.29.0",
         "lucide-react": "^0.563.0",
         "next": "16.1.4",
         "next-intl": "^4.7.0",
@@ -1129,6 +1130,8 @@
 
     "forwarded": ["forwarded@0.2.0", "", {}, "sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow=="],
 
+    "framer-motion": ["framer-motion@12.29.0", "", { "dependencies": { "motion-dom": "^12.29.0", "motion-utils": "^12.27.2", "tslib": "^2.4.0" }, "peerDependencies": { "@emotion/is-prop-valid": "*", "react": "^18.0.0 || ^19.0.0", "react-dom": "^18.0.0 || ^19.0.0" }, "optionalPeers": ["@emotion/is-prop-valid", "react", "react-dom"] }, "sha512-1gEFGXHYV2BD42ZPTFmSU9buehppU+bCuOnHU0AD18DKh9j4DuTx47MvqY5ax+NNWRtK32qIcJf1UxKo1WwjWg=="],
+
     "fresh": ["fresh@2.0.0", "", {}, "sha512-Rx/WycZ60HOaqLKAi6cHRKKI7zxWbJ31MhntmtwMoaTeF7XFH9hhBp8vITaMidfljRQ6eYWCKkaTK+ykVJHP2A=="],
 
     "fs.realpath": ["fs.realpath@1.0.0", "", {}, "sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw=="],
@@ -1387,6 +1390,10 @@
 
     "mnemonist": ["mnemonist@0.38.3", "", { "dependencies": { "obliterator": "^1.6.1" } }, "sha512-2K9QYubXx/NAjv4VLq1d1Ly8pWNC5L3BrixtdkyTegXWJIqY+zLNDhhX/A+ZwWt70tB1S8H4BE8FLYEFyNoOBw=="],
 
+    "motion-dom": ["motion-dom@12.29.0", "", { "dependencies": { "motion-utils": "^12.27.2" } }, "sha512-3eiz9bb32yvY8Q6XNM4AwkSOBPgU//EIKTZwsSWgA9uzbPBhZJeScCVcBuwwYVqhfamewpv7ZNmVKTGp5qnzkA=="],
+
+    "motion-utils": ["motion-utils@12.27.2", "", {}, "sha512-B55gcoL85Mcdt2IEStY5EEAsrMSVE2sI14xQ/uAdPL+mfQxhKKFaEag9JmfxedJOR4vZpBGoPeC/Gm13I/4g5Q=="],
+
     "ms": ["ms@2.1.3", "", {}, "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="],
 
     "nanoid": ["nanoid@3.3.11", "", { "bin": { "nanoid": "bin/nanoid.cjs" } }, "sha512-N8SpfPUnUp1bK+PMYW8qSWdl9U+wwNWI4QKxOYDy9JAro3WMX7p2OeVRF9v+347pnakNevPmiHhNmZ2HbFA76w=="],