feat: enhance README and TODO documentation, implement mobile menu functionality in Header component

- Updated README.md with project details, quick start instructions, and tech stack.
- Expanded TODO.md to reflect current project status and backlog items, including Linear ticket synchronization.
- Added mobile menu toggle functionality in Header component with corresponding tests for user interactions.
- Configured Next.js for Docker deployment and optimized build settings.

proto/package-lock.json

@@ -31,6 +31,7 @@
         "jest-environment-jsdom": "^29.7",
         "tailwindcss": "^4",
         "typescript": "^5",
+        "undici": "^7.15.0",
         "winston": "^3.11",
         "winston-loki": "^6.0"
       }
@@ -11098,6 +11099,16 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/undici": {
+      "version": "7.15.0",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-7.15.0.tgz",
+      "integrity": "sha512-7oZJCPvvMvTd0OlqWsIxTuItTpJBpU1tcbVl24FMn3xt3+VSunwUasmfPJRE57oNO1KsZ4PgA1xTdAX4hq8NyQ==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=20.18.1"
+      }
+    },
     "node_modules/undici-types": {
       "version": "6.21.0",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",