Add Clave to Clients & GUIs

[lucaderumier]

Adds Clave to the 🖥️ Clients & GUIs section.

• Repo: https://github.com/codika-io/clave
• Native macOS app for running multiple Claude Code, Gemini CLI, and Codex sessions in parallel, with split/grid layouts, per-project session groups, a built-in git panel, and remote sessions over SSH. Fully local and open-source (MIT).
• Latest release v1.56.1 (June 2026).

Placed at the end of the section, following the existing - [**name**](url) (X ⭐) - Description. format.