[STORY] As a programme coordinator, I need copy-pastable URLs to views, as this is an integral part of the workflow

Parent: [EPIC] Extend Show Management Area and improve ... (#149 - closed)

PCs often share URLs to point to certain information or issues.

• Calendar Week View: Keep the selected week (already fixed within alpha-2)
• Calendar Day View: Update the selected day in the URL
• Show View: The currently selected show should be in the URL
• Show View > Episode: The currently selected note should be in the URL