fix(index.html): invalid custom tag

Author: Dax89

src/index.html

@@ -95,7 +95,7 @@ <h2 class="font-bold">THANKS TO</h2>
             </section>
             <section>
                 <h2 class="font-bold">STATS</h2>
-                <gh-stats />
+                <gh-stats></gh-stats>
             </section>
         </div>
         <p class="text-sm italic">