Add namemc server banner

Author: Pequla

src/assets/styles.css

@@ -187,4 +187,8 @@ button:active{
 
 article {
     cursor: pointer;
+}
+
+.namemc {
+    margin-top: 1rem;
 }

src/views/Online.vue

@@ -1,4 +1,8 @@
 <template>
+    <div class="namemc">
+        <iframe style="width:728px;height:90px;max-width:100%;border:none;display:block;margin:auto"
+            src="https://namemc.com/server/play.beocraft.net/embed" width="728" height="90"></iframe>
+    </div>
     <div v-if="error">
         <h3>Online Players</h3>
         <ErrorDisplay :message="error" keyword="online players" />