feat: Add keyboard shortcuts and queue management features

- Implement global keyboard shortcuts for playback controls, volume adjustments, and navigation.
- Introduce drag-and-drop functionality for queue reordering with visual feedback.
- Add context menus for tracks, albums, and artists with quick action options.
- Develop Spotlight Search feature with Last.fm integration for enhanced music discovery.
- Create GlobalSearchProvider for managing search state and keyboard shortcuts.
- Ensure accessibility and keyboard navigation support across all new features.

app/components/GlobalSearchProvider.tsx

@@ -0,0 +1,46 @@
+'use client';
+
+import React, { createContext, useContext, useState, useCallback } from 'react';
+import { SpotlightSearch } from './SpotlightSearch';
+
+interface GlobalSearchContextProps {
+  isSpotlightOpen: boolean;
+  openSpotlight: () => void;
+  closeSpotlight: () => void;
+}
+
+const GlobalSearchContext = createContext<GlobalSearchContextProps | undefined>(undefined);
+
+export function GlobalSearchProvider({ children }: { children: React.ReactNode }) {
+  const [isSpotlightOpen, setIsSpotlightOpen] = useState(false);
+
+  const openSpotlight = useCallback(() => {
+    setIsSpotlightOpen(true);
+  }, []);
+
+  const closeSpotlight = useCallback(() => {
+    setIsSpotlightOpen(false);
+  }, []);
+
+  return (
+    <GlobalSearchContext.Provider value={{
+      isSpotlightOpen,
+      openSpotlight,
+      closeSpotlight
+    }}>
+      {children}
+      <SpotlightSearch 
+        isOpen={isSpotlightOpen} 
+        onClose={closeSpotlight} 
+      />
+    </GlobalSearchContext.Provider>
+  );
+}
+
+export function useGlobalSearch() {
+  const context = useContext(GlobalSearchContext);
+  if (!context) {
+    throw new Error('useGlobalSearch must be used within a GlobalSearchProvider');
+  }
+  return context;
+}