[Feature]: Zoom gesture

### Pre-flight checklist

- [x] I searched existing issues and the [Roadmap](https://github.com/AprilNEA/OpenLogi#roadmap), and this isn't already tracked.

### Problem / motivation

Be able to zoom in/out using gesture button on the mouse.

### Proposed solution

Implements Logitech's "Zoom/Rotate"

### Alternatives considered

_No response_

### Related area(s)

- [ ] GUI
- [ ] CLI
- [x] Button actions / remapping
- [ ] DPI
- [ ] SmartShift
- [ ] Per-application profiles
- [ ] Configuration (TOML)
- [ ] Auto-update
- [ ] Other

### Additional context

_No response_

Start by tracing the existing button actions/remapping path and how supported mouse gestures are handled. Use the issue's Logitech "Zoom/Rotate" reference to clarify the expected gesture behavior, then verify that the gesture performs zoom in and out consistently on a supported mouse.

Written by the indexing model from the issue text.