Examine source code of LocatorJS

{
  "description": "LocatorJS",
  "version": "1.2.3",
  "manifest_version": 2,
  "name": "LocatorJS",
  "icons": {
    "128": "icon-128.png"
  },
  "homepage_url": "https://www.locatorjs.com",
  "browser_action": {
    "browser_style": true,
    "default_popup": "popup.html",
    "default_icon": "icon-32.png",
    "default_title": "LocatorJS"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "contentScript.bundle.js"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "storage"
  ],
  "web_accessible_resources": [
    "client.bundle.js",
    "hook.bundle.js",
    "content.styles.css",
    "icon-32.png",
    "icon-34.png",
    "icon-48.png",
    "icon-128.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{330c9655-a428-407c-9613-9b62a7b06416}"
    }
  }
}