Examine source code of News Feed Eradicator

{
  "name": "News Feed Eradicator",
  "version": "3.0.5",
  "description": "Eradicate distractions and take back control of your browsing",
  "manifest_version": 3,
  "permissions": [
    "storage",
    "scripting"
  ],
  "optional_host_permissions": [
    "*://*/*"
  ],
  "action": {
    "default_icon": {
      "16": "assets/icons/logo-contrast-16.png",
      "32": "assets/icons/logo-contrast-32.png",
      "64": "assets/icons/logo-contrast-64.png"
    },
    "default_title": "News Feed Eradicator"
  },
  "background": {
    "service_worker": "entrypoints/service-worker/service-worker.js",
    "scripts": [
      "entrypoints/service-worker/service-worker.js"
    ],
    "type": "module"
  },
  "options_ui": {
    "page": "entrypoints/options-page/index.html",
    "open_in_tab": true,
    "browser_style": false
  },
  "icons": {
    "16": "assets/icon16.png",
    "32": "assets/icon32.png",
    "48": "assets/icon48.png",
    "64": "assets/icon64.png",
    "128": "assets/icon128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "sitelist.json",
        "entrypoints/intercept/intercept.js"
      ],
      "extension_ids": []
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "@news-feed-eradicator"
    },
    "gecko_android": {
      "strict_min_version": "113.0"
    }
  }
}