Add packages for a number of fonts.

The added fonts are

 - Caladea,
 - Carlito,
 - Comfortaa,
 - Comic Relief,
 - Crimson,
 - Fantasque Sans Mono,
 - Lobster Two,
 - Pecita,
 - Quattrocento, and
 - Quattrocento Sans.

pkgs/data/fonts/comic-relief/comic-sans-ms-alias.conf

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
+<fontconfig>
+  <!-- Configure Comic Relief as a metric-compatible alias for the
+       Microsoft Comic Sans font family. -->
+  <alias binding="same">
+    <family>Comic Sans MS</family>
+    <accept>
+      <family>Comic Relief</family>
+    </accept>
+  </alias>
+  <alias binding="same">
+    <family>Comic Relief</family>
+    <default>
+      <family>Comic Sans MS</family>
+    </default>
+  </alias>
+</fontconfig>