FE-022 Add pdf download for shifts

[josephmoorman]

FE-022 – Add PDF Download for Shifts

Summary

Implemented a PDF download feature for shifts within the employer panel. Employers can now generate and download a professionally formatted PDF containing the details of a selected shift.

Changes Made

• Added a PDF download action for individual shifts.
• Included key shift details in the generated PDF.
• Included assigned guard information where available.
• Included shift date and start/end time information.
• Included other relevant shift information such as location and status.
• Added professional formatting and layout to improve PDF readability.
• Added handling for missing or unavailable shift and guard information.
• Added error handling for PDF generation and download failures.
• Tested the PDF functionality using different shift records, including shifts with assigned guards, unassigned shifts, and records with missing information.
• Refined the PDF formatting and layout to ensure information is clearly structured and presented consistently.