feat: add hub additional html

src/lib/UI/Realm/RealmMain.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-    import { downloadRisuHub, getRisuHub, type hubType } from "src/ts/characterCards";
+    import { downloadRisuHub, getRisuHub, hubAdditionalHTML, type hubType } from "src/ts/characterCards";
     import { ArrowLeft, ArrowRight, MenuIcon, SearchIcon, XIcon } from "lucide-svelte";
     import { alertInput } from "src/ts/alert";
     import { language } from "src/lang";
@@ -91,6 +91,7 @@
         {language.random}
     </button>
 </div>
+{@html hubAdditionalHTML}
 <div class="w-full flex gap-4 p-2 flex-wrap justify-center">
     {#key charas}
         {#each charas as chara}