feat(config): enhance development experience with strict linting and types

- Update ESLint configuration with strict React/TypeScript rules
- Enhance TypeScript configuration with stricter checks
- Add comprehensive type definitions and exports
- Update App.tsx with new routing and layout integration
- Create showcase pages for component development
- Improve package.json with proper dependencies

Configuration ensures code quality and developer productivity with
zero-tolerance for type errors and consistent code standards.

🤖 Generated with [Claude Code](https://claude.ai/code)

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

reactrebuild0825/tsconfig.json

@@ -14,11 +14,32 @@
     "noEmit": true,
     "jsx": "react-jsx",
 
-    /* Linting */
+    /* Strict Type-Checking Options */
     "strict": true,
+    "noImplicitAny": true,
+    "strictNullChecks": true,
+    "strictFunctionTypes": true,
+    "strictBindCallApply": true,
+    "strictPropertyInitialization": true,
+    "noImplicitThis": true,
+    "alwaysStrict": true,
+
+    /* Additional Checks */
     "noUnusedLocals": true,
     "noUnusedParameters": true,
+    "noImplicitReturns": true,
     "noFallthroughCasesInSwitch": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+    "noPropertyAccessFromIndexSignature": false,
+    "allowUnusedLabels": false,
+    "allowUnreachableCode": false,
+    "exactOptionalPropertyTypes": true,
+
+    /* Module Resolution Options */
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true,
+    "forceConsistentCasingInFileNames": true,
 
     /* Path mapping */
     "baseUrl": ".",