Examine source code of Copy URLs Extension

{
  "manifest_version": 2,
  "name": "Copy URLs Extension",
  "short_name": "Copy URLs Extension",
  "description": "The fastest way to copy URLs from Google search results.",
  "version": "1.0.7",
  "icons": {
    "48": "img/icon64.png",
    "128": "img/icon128.png"
  },
  "permissions": [
    "<all_urls>",
    "notifications",
    "storage",
    "tabs",
    "contextMenus"
  ],
  "browser_action": {
    "default_icon": {
      "48": "img/icon32.png",
      "128": "img/icon64.png",
      "256": "img/icon128.png"
    },
    "default_title": "Copy URLs Extension",
    "default_popup": ""
  },
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "include_globs": [
        "*://*.google.*/*"
      ],
      "js": [
        "scripts/jquery-3.4.1.min.js",
        "scripts/content-script.js"
      ],
      "css": [
        "styles/main.css"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    "img/icon128.png"
  ]
}