docs: Add Claude for Open Source Program badge to README

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: davila7

README.md

@@ -3,6 +3,7 @@
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](CONTRIBUTING.md)
 [![Sponsored by Z.AI](https://img.shields.io/badge/Sponsored%20by-Z.AI-2563eb?style=flat&logo=data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMjQiIGhlaWdodD0iMjQiIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KPHBhdGggZD0iTTEyIDJMMiAyMkgyMkwxMiAyWiIgZmlsbD0id2hpdGUiLz4KPC9zdmc+)](https://z.ai/subscribe?ic=8JVLJQFSKB&utm_source=github&utm_medium=badge&utm_campaign=readme)
+[![Claude for Open Source](https://img.shields.io/badge/Claude-Open%20Source%20Program-D97757?style=flat&logo=data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMjQiIGhlaWdodD0iMjQiIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48Y2lyY2xlIGN4PSIxMiIgY3k9IjEyIiByPSIzIiBmaWxsPSJ3aGl0ZSIvPjwvc3ZnPg==)](https://claude.com/contact-sales/claude-for-oss)
 [![Neon Open Source Program](https://img.shields.io/badge/Neon-Open%20Source%20Program-00E599?style=flat)](https://get.neon.com/4eCjZDz)
 [![Buy Me A Coffee](https://img.shields.io/badge/Buy%20Me%20A%20Coffee-support-yellow?style=flat&logo=buy-me-a-coffee)](https://buymeacoffee.com/daniavila)
 [![GitHub stars](https://img.shields.io/github/stars/davila7/claude-code-templates.svg?style=social&label=Star)](https://github.com/davila7/claude-code-templates)
@@ -20,6 +21,10 @@
   <a href="https://get.neon.com/4eCjZDz">
   <img alt="Neon Open Source Program" src="https://img.shields.io/badge/Neon-Open%20Source%20Program-00E599?style=for-the-badge" />
   </a>
+  &nbsp;&nbsp;
+  <a href="https://claude.com/contact-sales/claude-for-oss">
+  <img alt="Claude for Open Source" src="docs/claude-oss-badge.svg" height="48" />
+  </a>
 </p>
 
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