* Remove bulk_upload_lettings_logs flag
* Add spacing above actions in data sharing agreement
* Add banner
* Add model validation
* fix log component
* Fix factory
* Put validation behind feature flag
* start adapting to data protection confirmation
* Make tests more generic
* Add tests for display_organisation_attributes
* Use data_protection_confirmed? method
* Address code review
* rubocop
* Prevent access to bulk upload pages when DPC not signed
* Address PO review
* feat: add new guidance page with corresponding template links for sales and lettings log
* feat: add specification files and links for sales/lettings
* refactor: tidying
* feat: change pseudo csv to xlsx to reflect reality
* feat: add tests for guidance page routing and content
* feat: add tests for lettings too
* add start of bulk upload logs journey
* split upload controller into 2
* add year page to bulk upload journey
* bulk upload years now dynamic
* add placeholder for upload your file page
* handle bulk upload when not in crossover
* add bulk upload csv user journey
* bulk upload now persists and sends to S3
* swap ruby-filemagic for file command
* match csv or text file for validation
* in_crossover_period? now uses overlap of forms
- also moved from Form to FormHandler
* add production env var for CSV bucket
* stub kernel call methods
* remove duplicate env var
* hardcode env var for review apps
* move feature toggle to FeatureToggle
* crossover period checks now specific to the form
* fix typo in bulk upload journey
* add start of bulk upload logs journey
* split upload controller into 2
* add year page to bulk upload journey
* bulk upload years now dynamic
* bulk upload journey: add copy for prepare file
* add link to bulk upload template
* add placeholder for upload your file page
* handle bulk upload when not in crossover
* fix tests around bulk upload redirect
* fix typos in bulk upload jouney