31-Dec-2025 — add GPX route upload and selection ref: #109

build 397 — commit bfe2980

Add functionality to upload and select GPX routes for walks:

• Upload new GPX files or select from existing files
• Display GPX routes on walk detail maps and card views
• Sort available GPX files by proximity to walk start location
• Show route metadata (associated walk title, date, distance)
• Clean filename display with HTML entity decoding