added artist functionality

app.py

@@ -5,6 +5,7 @@ from routes.credentials import credentials_bp
 from routes.album import album_bp
 from routes.track import track_bp
 from routes.playlist import playlist_bp
+from routes.artist import artist_bp
 from routes.prgs import prgs_bp
 import logging
 import time
@@ -39,6 +40,7 @@ def create_app():
     app.register_blueprint(album_bp, url_prefix='/api/album')
     app.register_blueprint(track_bp, url_prefix='/api/track') 
     app.register_blueprint(playlist_bp, url_prefix='/api/playlist')
+    app.register_blueprint(artist_bp, url_prefix='/api/artist')
     app.register_blueprint(prgs_bp, url_prefix='/api/prgs')  
 
     # Serve frontend