Add color presets

lib/color-presets.js

@@ -0,0 +1,11 @@
+module.exports = {
+  green: '3C1',
+  blue: '08C',
+  red: 'D52',
+  yellow: 'DB1',
+  orange: 'F73',
+  purple: 'A3E',
+  pink: 'E48',
+  grey: '999',
+  black: '000'
+}

lib/index.js

@@ -1,6 +1,9 @@
 const calcWidth = require('./calc-text-width.js').Arial12
+const colorPresets = require('./color-presets.js')
+
+module.exports = function ({subject, status, color}) {
+  color = colorPresets[color] || color || colorPresets['green']
 
-module.exports = function ({subject, status, color = '3C1'}) {
   // const charWidth = 7.3
   const calcFactor = 0.4