docs: update contributing guide to refer current bugs and feature req…

…uests

The contributing guide is updated to include references to the current
open bugs and feature requests. This update aims to improve visibility
for contributors on where to find open issues and features that need
attention.

CC: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Rhythm-26 <rhythm.narula26@gmail.com>

Documentation/MyFirstContribution.txt

@@ -109,6 +109,14 @@ of invocation during users' typical daily workflow.
 (We've seen some other effort in this space with the implementation of popular
 commands such as `sl`.)
 
+:mailinglist: git+subscribe@vger.kernel.org
+
+Here's where you can find bugs and feature requests existing in the system:
+
+ - Git uses a mailing list for discussion on bugs, features and patches. Search for relevant topics or tagged issues
+   like #leftoverbits in the archives: https://lore.kernel.org/git/
+ - Unofficial bug trackers - https://github.com/gitgitgadget/git/issues, https://git.issues.gerritcodereview.com/
+
 [[setup-workspace]]
 === Set Up Your Workspace