Add lichess.org social icon. (adityatelange#952)

layouts/partials/svg.html

@@ -326,6 +326,10 @@
             d="m146.52 246.14c0 3.671-.604 7.03-1.811 10.07-1.207 3.043-2.879 5.669-5.01 7.881-2.138 2.213-4.702 3.935-7.693 5.167-2.992 1.231-6.248 1.848-9.767 1.848-1.71 0-3.42-.151-5.129-.453l-3.394 13.651h-11.162l12.52-52.19c2.01-.603 4.311-1.143 6.901-1.622 2.589-.477 5.393-.716 8.41-.716 2.815 0 5.242.428 7.278 1.282 2.037.855 3.708 2.024 5.02 3.507 1.307 1.484 2.274 3.219 2.904 5.205.627 1.987.942 4.11.942 6.373m-27.378 15.461c.854.202 1.91.302 3.167.302 1.961 0 3.746-.364 5.355-1.094 1.609-.728 2.979-1.747 4.111-3.055 1.131-1.307 2.01-2.877 2.64-4.714.628-1.835.943-3.858.943-6.071 0-2.161-.479-3.998-1.433-5.506-.956-1.508-2.615-2.263-4.978-2.263-1.61 0-3.118.151-4.525.453l-5.28 21.948" />
     </g>
 </svg>
+{{- else if (eq $icon_name "lichess" ) -}}
+<svg viewBox="0 0 50 50" xmlns="http://www.w3.org/2000/svg">
+    <path fill="currentColor" stroke="currentColor" stroke-linejoin="round" d="M38.956.5c-3.53.418-6.452.902-9.286 2.984C5.534 1.786-.692 18.533.68 29.364 3.493 50.214 31.918 55.785 41.329 41.7c-7.444 7.696-19.276 8.752-28.323 3.084C3.959 39.116-.506 27.392 4.683 17.567 9.873 7.742 18.996 4.535 29.03 6.405c2.43-1.418 5.225-3.22 7.655-3.187l-1.694 4.86 12.752 21.37c-.439 5.654-5.459 6.112-5.459 6.112-.574-1.47-1.634-2.942-4.842-6.036-3.207-3.094-17.465-10.177-15.788-16.207-2.001 6.967 10.311 14.152 14.04 17.663 3.73 3.51 5.426 6.04 5.795 6.756 0 0 9.392-2.504 7.838-8.927L37.4 7.171z"/>
+</svg>
 {{- else if (eq $icon_name "linkedin") -}}
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
     stroke-linecap="round" stroke-linejoin="round">