Examine source code of Family Web Shield

{
  "manifest_version": 3,
  "name": "Family Web Shield",
  "version": "1.0.4",
  "description": "Blocks adult content automatically, plus any sites you choose to block. Password-protected settings.",
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "focusguard@parental-control.local",
      "data_collection_permissions": {
        "required": [
          "browsingActivity"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "storage",
    "unlimitedStorage",
    "alarms",
    "nativeMessaging",
    "management"
  ],
  "host_permissions": [
    "<all_urls>",
    "https://raw.githubusercontent.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "blocked.html",
        "blocked.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  }
}