Examine source code of Declutter MDN

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  "manifest_version": 2,
  "name": "Declutter MDN",
  "version": "2.0",
  "homepage_url": "https://github.com/model-map/declutterMdn",
  "description": "MDN Declutter simplifies the MDN docs by removing distractions and keeping only the main article. It's a helpful tool for students studying and browsing through MDN docs, allowing them to stay focused, learn effectively, and be more productive.  ",
  "permissions": [
    "activeTab"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "icons": {
    "48": "icons/icon.png"
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "48": "icons/icon.png"
    },
    "default_title": "DeclutterMdn"
  },
  "content_scripts": [
    {
      "matches": [
        "*://developer.mozilla.org/en-US/docs/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{23131471-3309-4c6f-8a26-2d4f4e2155e1}"
    }
  }
}