Examine source code of Program to Build a Morse

{
  "manifest_version": 2,
  "name": "Program to Build a Morse",
  "version": "1.0",
  "description": "Morse code, a syste­m of encoding text characters into dot and dash se­quences. The app’s functionality includes the ability to translate Morse­ code into text format.",
  "permissions": [],
  "browser_action": {
    "default_popup": "game.html",
    "default_icon": {
      "128": "images/pro-logo.png"
    }
  },
  "icons": {
    "128": "images/pro-logo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{341f09d3-78bf-41d3-ab6b-d37f52723d82}"
    }
  }
}