feat(subsonic): register browse endpoints (#295)

Wire getMusicFolders, getIndexes, getArtists, getArtist, getAlbum,
getAlbumList2, getSong, and search3 onto the /rest router via browseHandlers.

internal/subsonic/subsonic.go

@@ -18,10 +18,19 @@ import (
 // GET and POST are accepted; Subsonic's auth params live in the query string
 // either way.
 func Mount(r chi.Router, pool *pgxpool.Pool, logger *slog.Logger, cfg Config) {
+	b := &browseHandlers{pool: pool}
 	r.Route("/rest", func(sub chi.Router) {
 		sub.Use(Middleware(pool, cfg))
 		register(sub, "/ping", handlePing)
 		register(sub, "/getLicense", handleGetLicense)
+		register(sub, "/getMusicFolders", b.getMusicFolders)
+		register(sub, "/getIndexes", b.getIndexes)
+		register(sub, "/getArtists", b.getArtists)
+		register(sub, "/getArtist", b.getArtist)
+		register(sub, "/getAlbum", b.getAlbum)
+		register(sub, "/getAlbumList2", b.getAlbumList2)
+		register(sub, "/getSong", b.getSong)
+		register(sub, "/search3", b.search3)
 		_ = logger
 	})
 }