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-backend/infra/src/jellyfin/provider.rs

@@ -2,7 +2,7 @@ use async_trait::async_trait;
 
 use domain::{
     Collection, ContentType, DomainError, DomainResult, IMediaProvider, MediaFilter, MediaItem,
-    MediaItemId, SeriesSummary,
+    MediaItemId, ProviderCapabilities, SeriesSummary, StreamingProtocol,
 };
 
 use super::config::JellyfinConfig;
@@ -129,6 +129,19 @@ impl JellyfinMediaProvider {
 
 #[async_trait]
 impl IMediaProvider for JellyfinMediaProvider {
+    fn capabilities(&self) -> ProviderCapabilities {
+        ProviderCapabilities {
+            collections: true,
+            series: true,
+            genres: true,
+            tags: true,
+            decade: true,
+            search: true,
+            streaming_protocol: StreamingProtocol::Hls,
+            rescan: false,
+        }
+    }
+
     /// Fetch items matching `filter` from the Jellyfin library.
     ///
     /// When `series_names` has more than one entry the results from each series