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/pecita/default.nix

@@ -0,0 +1,26 @@
+{stdenv, fetchurl}:
+
+stdenv.mkDerivation rec {
+  name = "pecita-${version}";
+  version = "1.1";
+
+  src = fetchurl {
+    url = "http://pecita.eu/b/Pecita.otf";
+    sha256 = "07krzpbmc5yhfbf3aklv1f150i2g1spaan9girmg3189jsn6qw6p";
+  };
+
+  phases = ["installPhase"];
+
+  installPhase = ''
+    mkdir -p $out/share/fonts/opentype
+    cp -v ${src} $out/share/fonts/opentype/Pecita.otf
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = http://pecita.eu/police-en.php;
+    description = "Handwritten font with connected glyphs";
+    license = licenses.ofl;
+    platforms = platforms.all;
+    maintainers = [maintainers.rycee];
+  };
+}