made passwrd lowercase

src/database/prepare.py

@@ -6,7 +6,7 @@ def _create_tables(con: mariadb.Connection) -> None:
     cursor.execute(
         """CREATE TABLE IF NOT EXISTS master_pass (user_id INT,
                         salt BINARY(64),
-                        PASSWD BINARY(64),
+                        passwd BINARY(64),
                         PRIMARY KEY(user_id)
                         )"""
     )
@@ -25,7 +25,7 @@ def _create_tables(con: mariadb.Connection) -> None:
 def _create_index(con: mariadb.Connection) -> None:
     cursor = con.cursor()
     cursor.execute(
-        """CREATE INDEX IF NOT EXISTS user_id_to_acc on accounts(user_id)
+        """CREATE OR REPLACE INDEX user_id_to_acc on accounts(user_id)
     """
     )