implement contacts update

ki/routes.py

@@ -124,7 +124,7 @@ def get_user_profile(user_id):
 @app.route("/users/<user_id>/profile", methods=["POST"])
 @token_auth
 def update_profile(user_id):
-    return update_profile_handler(user_id)
+    return update_profile_handler(int(user_id))
 
 
 @app.route("/skills")