add beta notice

Author: treeben77

unicode.html

@@ -47,6 +47,7 @@
         </div>
     </div>
     <div class="content">
+        <p class="p-warning">This generator is currently in beta. Please report bugs or missing use cases on the GitHub repository issues tab.</p>
         <p>Generate a regex for Discord's AutoMod that will protect your community from using certain types of unicode to bypass AutoMod.</p>
 
         <div class="step">