Examine source code of Blackboard Ultra Extended

{
  "manifest_version": 2,
  "name": "Blackboard Ultra Extended",
  "version": "1.2.0",
  "description": "Multitool browser add-on for Blackboard Learn Ultra",
  "author": "Douwe Somers",
  "icons": {
    "16": "icon/icon-16.png",
    "24": "icon/icon-24.png",
    "32": "icon/icon-32.png",
    "48": "icon/icon-48.png",
    "64": "icon/icon-64.png",
    "96": "icon/icon-96.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "icon/icon-16.png",
      "24": "icon/icon-24.png",
      "32": "icon/icon-32.png",
      "48": "icon/icon-48.png",
      "64": "icon/icon-64.png",
      "96": "icon/icon-96.png"
    },
    "default_title": "Blackboard Ultra Extended",
    "default_popup": "popup/popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "bb-ultra-extended@draakjeyoblama.net",
      "strict_min_version": "102.0"
    }
  },
  "background": {
    "scripts": [
      "module-loader.js"
    ]
  },
  "permissions": [
    "scripting",
    "storage",
    "*://*.api.blackboard.com/*",
    "*://*/ultra/*"
  ]
}