Examine source code of Gtxs

{
  "manifest_version": 2,
  "name": "Gtxs",
  "version": "1.0",
  "description": "GTXS copies a url to the clipboard for situations when non latin characters are on it by urlencoding those characters. This mostly reuses code from https://github.com/mdn/webextensions-examples/blob/master/bookmark-it",
  "icons": {
    "48": "icons/gtxs-48.png",
    "96": "icons/gtxs-96.png"
  },
  "permissions": [
    "tabs",
    "clipboardWrite"
  ],
  "browser_action": {
    "default_icon": "icons/gtxs-48.png",
    "default_title": "GTXS gia copy"
  },
  "background": {
    "scripts": [
      "gtxs.js"
    ]
  }
}