Add location metadata field for users

data/database.py

@@ -437,6 +437,7 @@ class User(BaseModel):
   given_name = CharField(null=True)
   family_name = CharField(null=True)
   company = CharField(null=True)
+  location = CharField(null=True)
 
   def delete_instance(self, recursive=False, delete_nullable=False):
     # If we are deleting a robot account, only execute the subset of queries necessary.