Add TMDB metadata client and Fetch Data: real episode titles/air dates via TMDB, with a Settings modal for the API token

src-tauri/src/lib.rs

@@ -1,4 +1,6 @@
 mod files;
+mod metadata;
+mod settings;
 
 use renamr_core::format::ExpressionFormat;
 use renamr_core::matching::{self, EpisodeGuess};
@@ -46,6 +48,9 @@ pub fn run() {
             render_expression,
             guess_episode,
             execute_rename,
+            metadata::fetch_metadata,
+            settings::get_tmdb_token,
+            settings::save_tmdb_token,
             files::pick_files,
             files::pick_folder,
             files::expand_dropped_paths,