Examine source code of Amnesia Works Extension

{
  "manifest_version": 2,
  "name": "Amnesia Works Extension",
  "description": "An extension for creating Amnesia Works recipes",
  "version": "0.5resigned1",
  "author": "Martin Wiso",
  "browser_action": {
    "default_icon": "assets/icons/icon-32.png",
    "default_popup": "main.html",
    "default_title": "Track changes on this page"
  },
  "background": {
    "scripts": [
      "lib/shared.js",
      "main.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "assets/selector.css",
        "lib/vendor/sweetalert2.min.css"
      ],
      "js": [
        "lib/vendor/jquery-3.2.1.min.js",
        "lib/vendor/sweetalert2.all.js",
        "lib/holmes.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    "assets/selector.css",
    "lib/holmes.js"
  ],
  "permissions": [
    "tabs",
    "activeTab",
    "cookies",
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d5f3dc84-529c-4f99-af6e-028ee843de7f}"
    }
  }
}