Enhance message list functionality and improve layout

- Added inline expansion for message details, allowing users to view additional information directly within the message row.
- Updated JavaScript to manage expanded row states and ensure proper rendering of expanded content.
- Refined CSS styles for message rows and payload descriptor tables to improve readability and user experience.
- Included new styles for expansion content and close button to enhance interaction.

Author: sfc-gh-rgoldin

.gitignore

@@ -275,4 +275,5 @@ uploads/
 
 # SSL Certificates
 *.pem
-ssl/
+ssl/
+scripts/.DS_Store