v2.1.0

### New Features * add bulk CSV import for developments * integrate laravel-auditing for model-level audit trail * add changelog app with GitHub Releases integration * fix redirect loop and improve changelog filtering * proxy changelog via dotcom rewrites and improve filtering * redirect changelog.forcir.com to forcir.com/changelog * add pricing disclaimer to development detail page * add responsive mobile navigation * move home_type from community to development ### Bug Fixes * make stats fields optional in development CSV import * prevent null coercion for zero-value price fields * remove required validation from location fields in community admin * return 401 instead of 500 for unauthenticated requests * throw RowImportFailedException instead of silent null returns * remove in-app redirect to fix ERR_TOO_MANY_REDIRECTS * surface API error messages on member management actions