Initial commit: Complete NodeJS-native setup

- Migrated from Python pre-commit to NodeJS-native solution
- Reorganized documentation structure
- Set up Husky + lint-staged for efficient pre-commit hooks
- Fixed Dockerfile healthcheck issue
- Added comprehensive documentation index

vite.config.ts

@@ -0,0 +1,17 @@
+import path from 'path';
+import { defineConfig, loadEnv } from 'vite';
+
+export default defineConfig(({ mode }) => {
+  const env = loadEnv(mode, '.', '');
+  return {
+    define: {
+      'process.env.API_KEY': JSON.stringify(env.GEMINI_API_KEY),
+      'process.env.GEMINI_API_KEY': JSON.stringify(env.GEMINI_API_KEY),
+    },
+    resolve: {
+      alias: {
+        '@': path.resolve(__dirname, '.'),
+      },
+    },
+  };
+});