[Savannah-hackers-public] Initial changes for adding the Git homepage source code web browsing option.

[Ayushman Tripathi]

Hello! I'm currently working towards implementing the option for the Git 
webpage repository.

This patch specifically covers the initial frontend changes. However, 
please note that there's ongoing work on the backend. We still have to 
figure out some details, and our initial discussions have emphasized the 
importance of configuring this option in the project dashboard. The 
default setting for new projects will be Git, and we are considering 
implementing an action to facilitate the automatic transition from CVS 
to Git. It will be choice-based for the old projects.

I appreciate any suggestions you might have, and I'm actively engaged in 
developing the backend of this feature while exploring the most 
effective implementation approach.

initial-git-webpage-repositories.patch
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