work on stuff

src-tauri/migrations/20221201002355_initial.sql

@@ -3,7 +3,8 @@ CREATE TABLE credentials (
     access_key_id TEXT NOT NULL,
     secret_key_enc BLOB NOT NULL,
     salt BLOB NOT NULL,
-    nonce BLOB NOT NULL
+    nonce BLOB NOT NULL,
+    created_at INTEGER NOT NULL
 );
 
 CREATE TABLE config (