add database manager and media manager

main.py

@@ -2,11 +2,19 @@ import sys
 from PySide6.QtWidgets import QApplication
 
 from ui.main_window import MainWindow
+from core.database import DatabaseManager
+from core.media import MediaRepository
 
 
 
 def main():
     app = QApplication(sys.argv)
+    db = DatabaseManager()
+    db.connect()
+    media_repo = MediaRepository(db)
+    media_repo.sync_media()
+
+    print(db.get_all_colors())
     window = MainWindow()
     window.show()
     sys.exit(app.exec())