Examine source code of Let Me Read Haaretz

{
  "name": "Let Me Read Haaretz",
  "short_name": "LetMeRead",
  "version": "0.0.0.12",
  "content_scripts": [
    {
      "matches": [
        "https://www.haaretz.co.il/*",
        "https://www.haaretz.com/*",
        "https://www.themarker.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "declarativeContent",
    "storage",
    "webRequest",
    "webRequestBlocking",
    "https://www.haaretz.co.il/*",
    "https://www.haaretz.com/*",
    "https://www.themarker.com/*",
    "https://www.quora.com/*"
  ],
  "description": "Allows you to read full articles from haaretz.co.il, haaretz.com, themarker.co.il without any pay banners. Works also in incognito",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "page_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/bonobo16.png",
      "32": "images/bonobo32.png",
      "48": "images/bonobo48.png",
      "128": "images/bonobo_icon.png"
    }
  },
  "icons": {
    "16": "images/bonobo16.png",
    "32": "images/bonobo32.png",
    "48": "images/bonobo48.png",
    "128": "images/bonobo_icon.png"
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{6428068e-fc89-49a1-b2ba-19fdeed591f8}"
    }
  }
}