Examine source code of AquilaX

{
  "manifest_version": 2,
  "name": "Aquila X",
  "version": "0.0.2",
  "description": "Aquila X page indexer",
  "icons": {
    "128": "assets/img/logo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "aquilax@gmail.com"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.aquila.network/*"
      ],
      "js": [
        "contentScript.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "assets/img/logo.png",
    "default_popup": "popup.html",
    "default_title": "Aquila X"
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "omnibox": {
    "keyword": "!!"
  }
}