Examine source code of Image 2 JigSaw

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "version": "1.5",
  "description": "__MSG_extensionDescription__",
  "homepage_url": "https://www.github.com/ushnisha/jigsaw/",
  "browser_specific_settings": {
    "gecko": {
      "id": "jigsaw@ushnisha.com",
      "strict_min_version": "109.0"
    }
  },
  "icons": {
    "32": "icons/jigsaw-32.png",
    "64": "icons/jigsaw-64.png",
    "128": "icons/jigsaw-128.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "scripting",
    "contextMenus"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "css/jigsaw.css",
        "icons/*.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "options_ui": {
    "page": "options/jigsaw_options.html",
    "open_in_tab": false
  },
  "background": {
    "scripts": [
      "background/jigsaw_bg_common_functions.js",
      "background/jigsaw_bg_context_menu.js"
    ]
  },
  "default_locale": "en"
}