Subscription added

Author: msrahimii

docs/contact_us.md

@@ -8,17 +8,3 @@ If you prefer to communicate via email:
 
 - For general inquiries (e.g., colaboration, tutorial for your group, licensing), contact the PI:  
    Masoud Zarepisheh — [zarepism@mskcc.org](mailto:zarepism@mskcc.org)
-
-
-## Stay Updated with PortPy
-
-<div style="background: #f8f9fa; padding: 1rem; border-radius: 8px; margin: 1rem 0; border-left: 4px solid #4051b5;">
-  <h4 style="margin-top: 0; color: #4051b5;">📧 Newsletter Signup</h4>
-  <p style="margin-bottom: 1rem; color: #666; font-size: 14px;">Get updates on new features, tutorials, and development:</p>
-  
-  <iframe src="https://docs.google.com/forms/d/e/1FAIpQLSdyRixVrHtPnfIvUr866tXbGVQqFWCur-SAOjqf6BzoeF-BaA/viewform?embedded=true" 
-          width="100%" height="400" frameborder="0" marginheight="0" marginwidth="0"
-          style="border: none; border-radius: 4px; background: white;">
-    Loading newsletter signup form...
-  </iframe>
-</div>

docs/index.md

@@ -97,3 +97,6 @@ system, **ECHO**, are included for benchmarking
 
 
 
+## 🛎️ Join Our Mailing List
+- **Subscribe to receive news about major releases and new features.**
+<iframe src="https://docs.google.com/forms/d/e/1FAIpQLSciIhxOCXT_x4BjODfkhdQe_Fx1vU0xrJ4X3HJsTPH-GLfaqg/viewform?embedded=true" width="640" height="553" frameborder="0" marginheight="0" marginwidth="0">Loading…</iframe>