Add Matrix and IRC to socials block (#13)

Reviewed-on: #13
Reviewed-by: Gleb Zaharov <risdeveau@lair.moe>
Co-authored-by: Burer <burer@kolibrios.org>
Co-committed-by: Burer <burer@kolibrios.org>

templates/tmpl/_socials.htm

@@ -14,4 +14,14 @@
     <a href="https://www.reddit.com/r/KolibriOS/" target="_blank">
         <img src="{{ url_for('static', filename='img/icons/i_reddit.png') }}" alt="Reddit">Reddit
     </a>
+</p>
+
+<p class="p-socials">
+    <a href="https://matrix.to/#/#kolibrios:lair.moe" target="_blank">
+        <img src="{{ url_for('static', filename='img/icons/i_matrix.png') }}" alt="Matrix">Matrix
+    </a>
+    <br />
+    <a href="irc://kolibrios.org" target="_blank">
+        <img src="{{ url_for('static', filename='img/icons/i_irc.png') }}" alt="IRC">IRC
+    </a>
 </p>