Examine source code of ACGate

{
  "manifest_version": 2,
  "name": "__MSG_name__",
  "short_name": "ACGate",
  "version": "0.142resigned1",
  "description": "__MSG_description__",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "shared/ba-debug.js",
        "shared/jquery-3.2.1.min.js",
        "jquery.ba-replacetext.js",
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "128": "icon.png"
  },
  "default_locale": "en_US",
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "ACGate",
    "default_popup": "options/options.html"
  },
  "options_ui": {
    "page": "options/options.html"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "web_accessible_resources": [
    "script.js"
  ],
  "applications": {
    "gecko": {
      "id": "ACGate@lukeshining.org",
      "strict_min_version": "42.0"
    }
  }
}