feat: add github repo link to header in index.html

Author: walterwhite91

index.html

@@ -70,9 +70,12 @@
             <h1 class="text-4xl sm:text-5xl font-extrabold text-white tracking-tight leading-none mb-4">
                 The Ultimate Git Resource Hub
             </h1>
-            <p class="text-lg text-slate-400 leading-relaxed">
+            <p class="text-lg text-slate-400 leading-relaxed mb-6">
                 Welcome, First Years! Use this page during today's KUCC hands-on workshop to complete your live assignment. Bookmark it to use as a reliable reference library for your upcoming semester projects.
             </p>
+            <a href="https://github.com/kuosc2005/git_and_github_workshop" target="_blank" rel="noopener noreferrer" class="inline-flex items-center gap-2 bg-devCard hover:bg-slate-800 text-white border border-devBorder px-4 py-2 rounded-lg transition text-sm font-medium shadow-md">
+                <i class="fa-brands fa-github text-lg"></i> Repo
+            </a>
         </div>
     </header>