fix Discord Sever badge in docs page

Author: henchaves

docs/_templates/sidebar/brand.html

@@ -29,5 +29,5 @@
 <div class="social social--sidebar" style="margin-top: 1em; display: flex; justify-content: center; gap: 8px">
     <div class="github-stars github-stars--sidebar"></div>
     <div><a href="https://discord.gg/ABvfpbu69R"><img
-            src="https://dcbadge.vercel.app/api/server/ABvfpbu69R?style=flat-square"/></a></div>
+            src="https://dcbadge.limes.pink/api/server/https://discord.gg/ABvfpbu69R?style=flat-square"/></a></div>
 </div>