Examine source code of Aftonplusset

{
  "manifest_version": 2,
  "name": "__MSG_appName__",
  "short_name": "AftPlus",
  "version": "0.2",
  "description": "__MSG_appDesc__",
  "default_locale": "sv",
  "author": "crash007",
  "permissions": [
    "storage",
    "alarms",
    "https://*.aftonbladet.se/",
    "http://*.aftonbladet.se/"
  ],
  "icons": {
    "16": "data/icon_16x16.png",
    "32": "data/icon_32x32.png",
    "48": "data/icon_48x48.png",
    "128": "data/icon_128x128.png"
  },
  "background": {
    "scripts": [
      "libs/jquery-3.3.1.min.js",
      "common.js",
      "background.js",
      "libs/lz-string.js",
      "libs/compression.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "data/icon_16x16.png",
      "32": "data/icon_32x32.png",
      "48": "data/icon_48x48.png",
      "128": "data/icon_128x128.png"
    }
  },
  "content_scripts": [
    {
      "css": [
        "frontend.css"
      ],
      "matches": [
        "https://*.aftonbladet.se/*",
        "http://*.aftonbladet.se/"
      ],
      "js": [
        "libs/jquery-3.3.1.min.js",
        "common.js",
        "frontend.js",
        "libs/lz-string.js",
        "libs/compression.js"
      ],
      "run_at": "document_start"
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{182738d2-c07b-4c5d-9797-bf42adbb9c77}"
    }
  },
  "web_accessible_resources": [
    "icon5.svg",
    "logo_aftonplusset_plus.png"
  ]
}