docs(readme): update maintainers to admin team

Author: joshwiens

README.md

@@ -51,17 +51,36 @@ module.exports = {
 import exec from 'script-loader!./script.js';
 ```
 
-<h2 align="center">Maintainer</h2>
+<h2 align="center">Maintainers</h2>
 
 <table>
   <tbody>
     <tr>
       <td align="center">
-        <img width="150 height="150" src="https://github.com/sokra.png?s=150">
-        <br>
-        <a href="https://github.com/sokra">Tobias Koppers</a>
+        <img width="150" height="150"
+        src="https://avatars3.githubusercontent.com/u/166921?v=3&s=150">
+        </br>
+        <a href="https://github.com/bebraw">Juho Vepsäläinen</a>
       </td>
-    <tr>
+      <td align="center">
+        <img width="150" height="150"
+        src="https://avatars2.githubusercontent.com/u/8420490?v=3&s=150">
+        </br>
+        <a href="https://github.com/d3viant0ne">Joshua Wiens</a>
+      </td>
+      <td align="center">
+        <img width="150" height="150"
+        src="https://avatars3.githubusercontent.com/u/533616?v=3&s=150">
+        </br>
+        <a href="https://github.com/SpaceK33z">Kees Kluskens</a>
+      </td>
+      <td align="center">
+        <img width="150" height="150"
+        src="https://avatars3.githubusercontent.com/u/3408176?v=3&s=150">
+        </br>
+        <a href="https://github.com/TheLarkInn">Sean Larkin</a>
+      </td>
+    </tr>
   <tbody>
 </table>