Update doc

service/web/go_simps/templates/exec.html

@@ -88,6 +88,7 @@ <h4>Main</h4><br>
             <code>liveonly</code> Set livestreams in strict mode(ignoring covering or regular video) notification<br>
             <code>newupcoming</code> Enable new livestreams notification(by default will enable this) <br>
             <code>litemode</code> Disabling ping user/role function <br>
+            <code>lewd</code> send a NSFW pic from pixivi r18 or twitter with lewd hashtag <br>
          </p>
          <hr>
          <h4>Roles & Tags</h4>
@@ -145,6 +146,10 @@ <h4>Reminders</h4>
             Show fanart with randomly with their fanart hashtag<br>
             Example: <code>art&gt;Kanochi</code> or <code>art&gt;hololive</code>
          </p>
+         <p><code>lewd&gt;{Group/Member}</code><br>
+            Show lewd fanart with randomly from pixivi r-18 or twitter with their lewd hashtag<br>
+            Example: <code>lewd&gt;Kanochi</code> or <code>lewd&gt;hololive</code>
+         </p>
          <p><code>vtbot&gt;Vtuber data [Group/Member] -region {region}</code><br>
             Shows available Vtuber data<br>
             Example: <code>vtbot&gt;vtuber data nijisanji</code> or <code>vtbot&gt;vtuber data nijisanji,hololive -region id</code>