Examine source code of BetterUDD

{
  "manifest_version": 2,
  "name": "BetterUDD",
  "author": "Kalawamazaki",
  "version": "1.0.1",
  "description": "Enhances the u.dordt.edu directory with self-reported statuses.",
  "homepage_url": "https://github.com/Kalawamazaki",
  "permissions": [
    "https://u.dordt.edu/*",
    "https://duckstatus.elementfx.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://u.dordt.edu/*"
      ],
      "js": [
        "./scripts/content.js"
      ]
    }
  ],
  "icons": {
    "16": "./images/icon-16.png",
    "32": "./images/icon-32.png",
    "48": "./images/icon-48.png",
    "64": "./images/icon-64.png",
    "128": "./images/icon-128.png"
  },
  "browser_action": {
    "default_popup": "./main.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{369697dc-9a1c-4efe-bc88-5e37cb6b9bce}"
    }
  }
}