Update README.md

Author: monapdx

README.md

@@ -58,6 +58,21 @@ GooDocs/
 
 ```
 
+## ➕ Contribute a Template
+
+GooDocs is a growing library of Google Docs templates—and contributions are welcome.
+
+### Quick Start
+
+1. Fork this repo
+2. Add a preview image to `img/templates/`
+3. Add your template to `templates/templates.json`
+4. Open a pull request
+
+👉 See full instructions:  
+- [Contributing Guide](./CONTRIBUTING.md)  
+- [Submission Guidelines](./docs/submission-guidelines.md)
+
 ## 🧪 Why GooDocs Exists
 Because Google Docs is powerful — but visually plain.