Examine source code of Copykod

{
  "manifest_version": 2,
  "name": "Copykod",
  "version": "1.0.3",
  "description": "Copy code from StackOverflow, Github, W3Schools, TutorialsPoint... and hundredrs of developers websites without breaking a sweat.",
  "permissions": [
    "tabs",
    "storage",
    "clipboardWrite"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "exclude_globs": [
        "chrome://*"
      ],
      "all_frames": true,
      "js": [
        "scripts/copykod.js"
      ],
      "css": [
        "styles/copykod.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@copykod.com",
      "strict_min_version": "60.0"
    }
  },
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "author": "Joseph Mpo Yeti",
  "browser_action": {
    "default_title": "Copykod",
    "default_popup": "pages/popup.html",
    "default_icon": {
      "128": "img/icon.png"
    }
  },
  "icons": {
    "128": "img/icon.png"
  }
}