Examine source code of video2clipboard

{
  "manifest_version": 2,
  "name": "video2clipboard",
  "description": "Copy a video link with the current time code to clipboard via context menu.",
  "version": "1.0.0",
  "homepage_url": "https://github.com/0xC4N1/video2clipboard",
  "default_locale": "en",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "clipboardWrite",
    "menus"
  ]
}