feat: Add movie database identifier extraction and update related tests

renamer/constants.py

@@ -81,3 +81,30 @@ FRAME_CLASSES = {
         "description": "Ultra High Definition (UHD) - 4320p 8K",
     },
 }
+
+MOVIE_DB_DICT = {
+    "tmdb": {
+        "name": "The Movie Database (TMDb)",
+        "description": "Community built movie and TV database",
+        "url": "https://www.themoviedb.org/",
+        "patterns": ["tmdbid", "tmdb", "tmdbid-", "tmdb-"],
+    },
+    "imdb": {
+        "name": "Internet Movie Database (IMDb)",
+        "description": "Comprehensive movie, TV, and celebrity database",
+        "url": "https://www.imdb.com/",
+        "patterns": ["imdbid", "imdb", "imdbid-", "imdb-"],
+    },
+    "trakt": {
+        "name": "Trakt.tv",
+        "description": "Service that integrates with media centers for scrobbling",
+        "url": "https://trakt.tv/",
+        "patterns": ["traktid", "trakt", "traktid-", "trakt-"],
+    },
+    "tvdb": {
+        "name": "The TV Database (TVDB)",
+        "description": "Community driven TV database",
+        "url": "https://thetvdb.com/",
+        "patterns": ["tvdbid", "tvdb", "tvdbid-", "tvdb-"],
+    },
+}