Examine source code of Project Time Tracker

{
  "manifest_version": 2,
  "name": "Project Time Tracker",
  "version": "1.0",
  "description": "Une extension pour gérer vos projets et suivre le temps passé dessus.",
  "permissions": [
    "storage",
    "notifications"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icons/timer.svg",
      "96": "icons/timer.svg"
    }
  },
  "icons": {
    "48": "icons/timer.svg",
    "96": "icons/timer.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2285f33f-b0d3-4971-b16b-a87490489cdb}"
    }
  }
}