Add headers to deleted.txt to detect Note Type and GUID

qt/aqt/main.py

@@ -1643,7 +1643,9 @@ title="{}" {}>{}</button>""".format(
         existed = os.path.exists(path)
         with open(path, "ab") as f:
             if not existed:
-                f.write(b"nid\tmid\tfields\n")
+                f.write(b"#guid column:1\n")
+                f.write(b"#notetype column:2\n")
+                f.write(b"#nid\tmid\tfields\n")
             for id, mid, flds in col.db.execute(
                 f"select id, mid, flds from notes where id in {ids2str(nids)}"
             ):