Examine source code of Cheat BombParty

{
  "manifest_version": 2,
  "name": "Cheat BombParty",
  "version": "1.0",
  "description": "Une extension Firefox pour tricher à BombParty",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "icons": {
    "128": "icon.png"
  },
  "permissions": [
    "activeTab"
  ],
  "developer": {
    "name": "Minethan",
    "url": "https://github.com/MinethanDev"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{daf56c7e-5515-4150-925a-02dffc6e2c68}"
    }
  }
}