Improve Report Issue UX per issue #43

- Changed cryptic target icon to speech bubble (chat/comment icon)
- Open issue page in new tab so users can still see the documentation
- Merged documentation contribution text into Getting Help section
- Added emoji hint (💬) to help users identify the icon

Fixes #43

Underworld development team with AI support from Claude Code

Author: lmoresi

docs/_static/report-issue.js

@@ -23,5 +23,6 @@ document.addEventListener('DOMContentLoaded', function() {
         });
 
         reportLink.href = baseUrl + '?' + params.toString();
+        reportLink.target = '_blank';  // Open in new tab so user can still see the page
     }
 });

docs/conf.py

@@ -135,8 +135,7 @@
             "url": "https://github.com/underworldcode/underworld3/issues/new?labels=documentation&template=docs-issue.md",
             "html": """
                 <svg stroke="currentColor" fill="currentColor" stroke-width="0" viewBox="0 0 16 16">
-                    <path d="M8 9.5a1.5 1.5 0 1 0 0-3 1.5 1.5 0 0 0 0 3Z"></path>
-                    <path d="M8 0a8 8 0 1 1 0 16A8 8 0 0 1 8 0ZM1.5 8a6.5 6.5 0 1 0 13 0 6.5 6.5 0 0 0-13 0Z"></path>
+                    <path d="M0 2a2 2 0 0 1 2-2h12a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H4.414a1 1 0 0 0-.707.293L.854 15.146A.5.5 0 0 1 0 14.793V2zm3.5 1a.5.5 0 0 0 0 1h9a.5.5 0 0 0 0-1h-9zm0 2.5a.5.5 0 0 0 0 1h9a.5.5 0 0 0 0-1h-9zm0 2.5a.5.5 0 0 0 0 1h5a.5.5 0 0 0 0-1h-5z"></path>
                 </svg>
             """,
             "class": "",

docs/index.md

@@ -156,13 +156,7 @@ Underworld3 is a Python library for computational geodynamics, built on:
 - Join community discussions
 - [Underworld Blog](https://www.underworldcode.org)
 
-### Improving the Documentation
-
-Found a typo, broken link, or have a suggestion? We welcome contributions to improve the documentation.
-
-**Report an issue**: Click the "Report Issue" icon in the page footer. This opens a GitHub issue pre-filled with the current page URL and title.
-
-**Edit directly**: Click the "Edit on GitHub" button (top right of any page) to propose changes directly via a pull request.
+**Found a typo or broken link?** Click the speech bubble icon (💬) in the page footer to report it—the issue will be pre-filled with this page's URL. You can also click the GitHub icon to browse the repository, or use "Edit on GitHub" (top right) to propose changes directly.
 
 ### Try It Now