Merge branch 'freshbooks-theme' of https://github.com/wlonkly/slackthemes into wlonkly-freshbooks-theme

* 'freshbooks-theme' of https://github.com/wlonkly/slackthemes:
  Add FreshBooks theme

data/themes.yml

@@ -283,3 +283,5 @@
 -
   :name: 'Windows XP'
   :colors: '#F0EDE0,#0054E3,#0054E3,#FFFFFF,#0054E3,#000000,#ED6D3A,#ED6D3A'
+  :name: 'FreshBooks'
+  :colors: '#0D83DD,#0064BE,#86C620,#FFFFFF,#648C0F,#FFFFFF,#9DFF00,#86C620'