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

hooks/useSettings.ts

@@ -0,0 +1,50 @@
+import { useState, useEffect } from 'react';
+
+const useSettings = () => {
+  const [settings, setSettings] = useState(null);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState(null);
+
+  useEffect(() => {
+    const fetchSettings = async () => {
+      try {
+        const response = await fetch('/api/settings');
+        const data = await response.json();
+        setSettings(data);
+      } catch (err) {
+        setError(err);
+      } finally {
+        setLoading(false);
+      }
+    };
+
+    fetchSettings();
+  }, []);
+
+  const updateSettings = async newSettings => {
+    try {
+      const response = await fetch('/api/settings', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify(newSettings),
+      });
+      const data = await response.json();
+      setSettings(data);
+      return data;
+    } catch (err) {
+      setError(err);
+      throw err;
+    }
+  };
+
+  return {
+    settings,
+    loading,
+    error,
+    updateSettings,
+  };
+};
+
+export default useSettings;