Examine source code of Program LIKEE

{
  "manifest_version": 2,
  "name": "Program LIKEE",
  "version": "1.2.6",
  "description": "Program bantu kerja harian - Lincah, Inovatif, Kreatif, Efektif, Efisien",
  "author": "Abdurrahman Saleh",
  "browser_specific_settings": {
    "gecko": {
      "id": "lincah.inovatif.kreatif.efektif.efisien@program-likee.local",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "storage",
    "tabs",
    "downloads",
    "*://*.indomaret.lan/*",
    "*://172.20.30.4/*",
    "*://172.20.30.5/*"
  ],
  "background": {
    "scripts": [
      "license.js",
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.indomaret.lan/*",
        "*://172.20.30.4/*",
        "*://172.20.30.5/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "browser_action": {
    "default_title": "Program LIKEE",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  }
}