Added system prompt for Google's new Antigravity AI coding assistant,
announced November 18, 2025. Antigravity is an agent-first coding tool
with support for Gemini 3 Pro and third-party models.
Source: p1njc70r (https://x.com/p1njc70r/status/1990919996265148701)
- Added SystemPrompts/Google/11182025-Antigravity.md
- Updated SystemPrompts/README.md index