feat: Setup React Frontend (Issue #1)

- Initialize Vite + React + TypeScript project
- Install dependencies (React Router, Zustand, Axios, Tailwind CSS)
- Configure Tailwind CSS and PostCSS
- Create basic folder structure
- Setup ESLint and Prettier
- Create placeholder pages (Login, Dashboard, Logs, Alerts, etc.)
- Create Layout and ProtectedRoute components
- Add TypeScript types

Closes #1

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

frontend/package.json

@@ -0,0 +1,39 @@
+{
+  "name": "victorialogs-manager-frontend",
+  "private": true,
+  "version": "1.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc && vite build",
+    "preview": "vite preview",
+    "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0"
+  },
+  "dependencies": {
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
+    "react-router-dom": "^6.21.3",
+    "zustand": "^4.5.0",
+    "axios": "^1.6.5",
+    "echarts": "^5.4.3",
+    "echarts-for-react": "^3.0.2",
+    "@monaco-editor/react": "^4.6.0",
+    "react-window": "^1.8.10"
+  },
+  "devDependencies": {
+    "@types/react": "^18.2.48",
+    "@types/react-dom": "^18.2.18",
+    "@types/react-window": "^1.8.8",
+    "@typescript-eslint/eslint-plugin": "^6.19.0",
+    "@typescript-eslint/parser": "^6.19.0",
+    "@vitejs/plugin-react": "^4.2.1",
+    "autoprefixer": "^10.4.17",
+    "eslint": "^8.56.0",
+    "eslint-plugin-react-hooks": "^4.6.0",
+    "eslint-plugin-react-refresh": "^0.4.5",
+    "postcss": "^8.4.33",
+    "tailwindcss": "^3.4.1",
+    "typescript": "^5.3.3",
+    "vite": "^5.0.11"
+  }
+}