Add gitGost topic for privacy-focused contributions

Introduce gitGost for anonymous Git contributions.

Author: livrasand

topics/gitgost/index.md

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+---
+display_name: gitGost
+short_description: Anonymous Git contributions with zero accounts, zero metadata.
+topic: gitgost
+related: git privacy anonymity open-source security
+---
+
+gitGost enables developers to contribute to public repositories without revealing their identity. It removes personal metadata such as name, email, and timestamps, and creates pull requests through a neutral bot.
+
+Designed for privacy-conscious developers, gitGost allows safe contributions to sensitive or controversial projects while maintaining accountability through public review processes.
+
+Key features include:
+
+- No accounts or authentication required
+- Metadata stripping for anonymity
+- One-command setup via Git remote
+- Rate limiting and abuse protection
+- Open source and self-hostable
+
+gitGost is ideal for developers who value privacy, want to avoid permanent public contribution records, or need to contribute safely under restrictive environments.