* feat: add extended profile fields functionality with context and form components
* refactor: replace string literals with FORM_MODE constants in profile fields components
* feat: implement BaseField component and refactor field elements to use it
* chore: remove unused webpack development configuration file
* feat: refactor extended profile fields implementation and remove unused components
* feat: update dependencies for frontend-plugin-framework and remove unused dompurify
* refactor: simplify pluginProps structure in ExtendedProfileFieldsSlot component
* feat: add README and example images for Extended Profile Fields slot
* refactor: improve performance & keep consistency
* feat: add Additional Profile Fields slot with example implementation and documentation
* feat: update custom fields image for Additional Profile Fields slot
* fix: reorder import of AdditionalProfileFieldsSlot for consistency
* test: fix snapshot
* fix: adjust margin in example to avoid oddities on mobile
* fix: remove unnecessary empty divs from ProfilePage snapshots
