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/crimson/default.nix

@@ -0,0 +1,28 @@
+{stdenv, fetchurl}:
+
+stdenv.mkDerivation rec {
+  name = "crimson-${version}";
+  version = "2014.10";
+
+  src = fetchurl {
+    url = "https://github.com/skosch/Crimson/archive/fonts-october2014.tar.gz";
+    sha256 = "0qyihrhqb89vwg9cfpaf5xqmcjvs4r4614bxy634vmqv9v1bzn5b";
+  };
+
+  phases = ["unpackPhase" "installPhase"];
+
+  installPhase = ''
+    mkdir -p $out/share/fonts/opentype
+    mkdir -p $out/share/doc/${name}
+    cp -v "Desktop Fonts/OTF/"*.otf $out/share/fonts/opentype
+    cp -v README.md $out/share/doc/${name}
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = https://aldusleaf.org/crimson.html;
+    description = "A font family inspired by beautiful oldstyle typefaces";
+    license = licenses.ofl;
+    platforms = platforms.all;
+    maintainers = [maintainers.rycee];
+  };
+}