To-do

[prashantgupta24]

• [x] App info
• [x] Update Readme
• [x] Icon
• [x] Badges
• [x] Disable button once selected
• [x] Handle machine sleep events
• [x] Godoc
• [x] Improve tests
• [x] Incorporate latest machine sleep handler
• [x] fix Lint fail on icon.go