[OpenSpec] Start Case Widget

[rubenvdlinde]

Dashboard widget for quickly starting new cases from the Nextcloud dashboard or MyDash.

Change: start-case-widget
Proposal: openspec/changes/start-case-widget/proposal.md

Scope

• StartCaseWidget PHP class (IWidget)
• StartCaseWidget Vue component with case type quick-start buttons
• Inline case creation (type selection + optional title)
• Webpack entry point + registration in Application.php
• Dutch + English translations

[rubenvdlinde]

Merged via PR #106