Examine source code of Fuskr

{
  "manifest_version": 3,
  "name": "__MSG_ManifestName__",
  "description": "__MSG_ManifestDescription__",
  "version": "5.0.15",
  "default_locale": "en_GB",
  "author": "Dan Atkinson and Jonathon Bolster",
  "action": {
    "default_popup": "index.html",
    "default_title": "Fuskr - Image Gallery Generator",
    "default_icon": {
      "16": "assets/images/16x16.png",
      "48": "assets/images/48x48.png",
      "128": "assets/images/128x128.png"
    }
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "options_ui": {
    "page": "index.html#/options",
    "open_in_tab": true
  },
  "omnibox": {
    "keyword": "fuskr"
  },
  "permissions": [
    "tabs",
    "downloads",
    "contextMenus",
    "activeTab",
    "storage"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "icons": {
    "16": "assets/images/16x16.png",
    "48": "assets/images/48x48.png",
    "128": "assets/images/128x128.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; style-src 'self' 'unsafe-inline';"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "assets/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6fbd1009-d97d-45b7-97d6-1b34d4182a0c}",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  }
}