feat: Add CI/CD pipeline and code quality improvements

- Add GitHub Actions workflow for automated CI/CD
- Configure Node.js 18.x and 20.x matrix testing
- Add TypeScript type checking step
- Add ESLint code quality checks with enhanced rules
- Add Prettier formatting verification
- Add production build validation
- Upload build artifacts for deployment
- Set up automated testing on push/PR
- Replace console.log with environment-aware logger
- Add pre-commit hooks for code quality
- Exclude archive folder from linting

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

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

capacitor.config.ts

@@ -1,13 +1,13 @@
-import { CapacitorConfig } from '@capacitor/cli';
+import { CapacitorConfig } from "@capacitor/cli";
 
 const config: CapacitorConfig = {
-  appId: 'com.lovable.zellyfinance',
-  appName: '젤리의 적자탈출',
-  webDir: 'dist',
+  appId: "com.lovable.zellyfinance",
+  appName: "젤리의 적자탈출",
+  webDir: "dist",
   server: {
-    androidScheme: 'https',
-    iosScheme: 'https',
-    cleartext: true
+    androidScheme: "https",
+    iosScheme: "https",
+    cleartext: true,
   },
   plugins: {
     SplashScreen: {
@@ -18,17 +18,17 @@ const config: CapacitorConfig = {
       androidScaleType: "CENTER_CROP",
       showSpinner: false,
       splashFullScreen: false,
-      splashImmersive: false
+      splashImmersive: false,
     },
     Keyboard: {
       resize: "body",
       style: "dark",
-      resizeOnFullScreen: true
-    }
+      resizeOnFullScreen: true,
+    },
   },
   ios: {
-    scheme: "App"
-  }
+    scheme: "App",
+  },
 };
 
 export default config;