add admin view

admin.php

@@ -118,7 +118,8 @@ foreach($userlist as $user) {
     <input type="hidden" id="token" name="token" value="<?php echo $token; ?>">
     <input type="hidden" id="action" name="action" value="adduser">
     <td>
-        <input type='text' id='userid' name='userid'>
+        <input type='text' id='userid' name='userid' readonly value='<?php echo bin2hex(random_bytes(16)) ?>'>
+        <input type='button'>
     </td><td>
         <input type='radio' id='reporter' name='role' value='reporter'>Reporter
         <input type='radio' id='consumer' name='role' value='consumer'>Consumer