add function to validate albums

+ extract colors in watchdogg
+ rename color db files

app/api/album.py

@@ -7,7 +7,7 @@ from dataclasses import asdict
 
 from flask import Blueprint, request
 
-from app.db.sqlite.albums import SQLiteAlbumMethods as adb
+from app.db.sqlite.albumcolors import SQLiteAlbumMethods as adb
 from app.db.sqlite.favorite import SQLiteFavoriteMethods as favdb
 from app.db.sqlite.lastfm.similar_artists import SQLiteLastFMSimilarArtists as lastfmdb
 from app.models import FavType, Track