- Introduced a has_many association in CropJobStep for jobs with dependent nullify.
- Added crop_job_step reference to Job model with optional association.
- Created migration to add crop_job_step reference to jobs table with foreign key.
- Updated schema to reflect the new association.
- Added tests for crop_job_step association in Job model.
- Renamed all instances of 'Activity' to 'Job' in views, controllers, and models.
- Updated routes to reflect the change from activities to jobs.
- Modified database schema to rename the activities table to jobs and adjusted related columns.
- Updated locale files to change activity-related translations to jobs.
- Adjusted tests to ensure they reference jobs instead of activities.
- Removed the category field from jobs as they are now a plain list.
- Updated seed data and sample data generation to create jobs instead of activities.