docs: Write keyboard shortcuts reference #7
Description
Summary
Create keyboard shortcuts reference page.
Migrated from: RackulaLives/www#18
Content Outline
Complete Shortcut Table
- Navigation shortcuts
- Editing shortcuts
- View shortcuts
- File shortcuts
Power User Tips
- Modifier key combinations
- Quick workflows
Acceptance Criteria
- Complete table of all shortcuts
- Grouped by function
- Searchable format