Examine source code of Youtube Copy Assistant

{
  "manifest_version": 2,
  "name": "Youtube Copy Assistant",
  "description": "Copy Youtube Video ID, Channel ID, Channel Username & Clean External URL to the Clipboard Easily.",
  "version": "1.1.0",
  "author": "Gamitisa",
  "developer": {
    "name": "Gamitisa",
    "url": "https://gamitisa.com"
  },
  "homepage_url": "https://gamitisa.com",
  "icons": {
    "16": "icons/icon16.png",
    "24": "icons/icon24.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "64": "icons/icon64.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content-script.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "contextMenus",
    "clipboardWrite"
  ]
}