Added function headers in database.add

src/database/add.py

@@ -0,0 +1,16 @@
+import mariadb
+
+
+def add_master_pass(hashed_passwd: bytes, salt: bytes, con: mariadb.Connection) -> bool:
+    ...
+
+
+def add_account(
+    id: int,
+    salt: bytes,
+    acc_name: str,
+    enc_login: bytes,
+    enc_passwd: bytes,
+    con: mariadb.Connection,
+) -> bool:
+    ...