feat: add project path to python path

Author: XiaJunjie2020

backend/alembic/env.py

@@ -1,3 +1,9 @@
+# alembic/env.py
+import sys
+from os.path import abspath, dirname
+
+sys.path.insert(0, dirname(dirname(abspath(__file__))))
+
 import os
 from logging.config import fileConfig