Implement card-based device UI with pagination and rename functionality

- Replace JList with card-based grid layout (5x2 = 10 cards per page)
- Add clickable device cards showing name, API level, target, and status
- Implement pagination with Previous/Next buttons for 10+ devices
- Add inline action buttons per card: Start, Stop, Rename, Delete
- Implement rename functionality using AVD .ini and .avd file manipulation
- Show device details on card click (collapsible)
- Add status indicator (Running/Stopped) with color coding
- Update refresh logic to populate card grid instead of list
- Add placeholder panels for empty grid slots
- Improve UX with tooltips on action buttons

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: NmurtasDev