feat: add local files provider with indexing and rescan functionality

- Implemented LocalFilesProvider to manage local video files.
- Added LocalIndex for in-memory and SQLite-backed indexing of video files.
- Introduced scanning functionality to detect video files and extract metadata.
- Added API endpoints for listing collections, genres, and series based on provider capabilities.
- Enhanced existing routes to check for provider capabilities before processing requests.
- Updated frontend to utilize provider capabilities for conditional rendering of UI elements.
- Implemented rescan functionality to refresh the local files index.
- Added database migration for local files index schema.

k-tv-frontend/hooks/use-config.ts

@@ -0,0 +1,13 @@
+"use client";
+
+import { useQuery } from "@tanstack/react-query";
+import { api } from "@/lib/api";
+import type { ConfigResponse } from "@/lib/types";
+
+export function useConfig() {
+  return useQuery<ConfigResponse>({
+    queryKey: ["config"],
+    queryFn: () => api.config.get(),
+    staleTime: 5 * 60 * 1000,
+  });
+}