Apply rounded border to channels in search results (#2672)

* Apply rounded border to channels in search results

* use built-in utility class

* Contain channel thumbnail size

* contain results in flexbox and implement custom Uno classes

* correct linter errors

* remove custom rule

src/components/VideoItem.vue

@@ -1,5 +1,5 @@
 <template>
-    <div v-if="showVideo">
+    <div class="flex flex-col flex-justify-between" v-if="showVideo">
         <router-link
             class="focus:underline hover:underline inline-block w-full"
             :to="{