- Add create_job_submission_form() method to DDHH_JM_Formidable class
- Create Formidable form with key 'job_submission'
- Add 7 fields with German labels: title, description, location, type, deadline, email, logo
- Configure Create Post action: post_type='job_offer', status='pending'
- Map form fields to ACF fields: job_location, job_type, job_deadline, job_contact_email, job_logo
- Add get_job_submission_form_id() helper method
- Hook form creation into init action
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>