Examine source code of skim-it

{
  "manifest_version": 2,
  "name": "skim it",
  "version": "2.3.1",
  "description": "AI-powered text skimmer - instantly summarizes any webpage or selected text",
  "author": "Shadi Kabajah",
  "default_locale": "en",
  "icons": {
    "48": "icons/icon128.png",
    "128": "icons/icon128.png"
  },
  "browser_action": {
    "default_icon": {
      "128": "icons/icon128.png"
    },
    "default_title": "skim it"
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "storage",
    "http://*/*",
    "https://*/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "web_accessible_resources": [
    "options.html",
    "sidebar.js",
    "sidebar.css",
    "icons/icon128.png",
    "icons/icon128-dark.png"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "skim-it@skabajah",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "58.0"
    }
  }
}