PDF Collation and Custom Headings

I need multiple PDF files collated into a single PDF. Each file needs a custom text heading.

Requirements:
- Combine multiple PDFs into one
- Add custom text headings as per my input
- Organize files in a custom order

Ideal Skills:
- Proficiency in PDF editing software
- Attention to detail
- Ability to follow custom instructions

Please provide a list of file names in desired order.