Added Xonotic help

website/help_xonotic.html

@@ -36,10 +36,30 @@
           <img src="img/xonotic.png" alt="Screenshot of Xonotic">
           <h2>Getting the game</h2>
           <div class="download"><a href="https://xonotic.org/download/">DOWNLOAD</a></div>
+          <p>Note that the download has the executable for all OS inside of it.</p>
           <h2>Tips</h2>
           <ul>
+            <li>
+              Always keep moving and jumping to make yourself harder to hit.
+            </li>
+            <li>
+              Weapons often has a secondary action. Use the right-mouse button to use it.
+            </li>
+            <li>
+              Gather as much health and armour as you can.
+            </li>
           </ul>
           <h2>Connecting</h2>
+          <p>
+            Go to &quot;Multiplayer&quot; and click on the &quot;Profile&quot;
+            button to set your in-game name.
+          </p>
+          <p>
+            To connect to the game server, click on the &quot;Servers&quot;
+            button. At the bottom of the screen you can fill in DOMAINNAME in
+            the Address field. Then press Join.
+          </p>
+          <img src="img/help_xonotic.png" alt="Server name input in Xonotic" class="img-fluid">
         </div>
         <div class="col-6 col-md-4">
           <h5>Live stats</h5>