* add migration for merging fields
* remove usage of website title and description
* keep empty website title and description in API for compatibility
* restore scraping in API and add option for disabling it
* document API scraping behavior
* remove deprecated fields from API docs
* improve form layout
* cleanup migration
* cleanup website loader
* update tests
Previously, the 'sanitize' function would throw an error when 'text' was None. This commit fixes the issue by adding a check to handle the case where 'text' is None, returning an empty string instead.
Closes#568