enh(tools): Add find_person_in_contacts

Author: marcelklehr

ex_app/lib/tools.py

@@ -10,6 +10,8 @@
 from nc_py_api import Nextcloud
 from nc_py_api.ex_app import LogLvl
 from pydantic import BaseModel, ValidationError
+import xml.etree.ElementTree as ET
+import vobject
 
 from logger import log