Examine source code of MAIS improvements

{
  "manifest_version": 2,
  "name": "MAIS improvements",
  "version": "1.0",
  "description": "Fixes the genious (emphasis on sarcasm) UI of MAIS where it shows max/current instead of current/max on homepage.",
  "homepage_url": "https://github.com/CrusaderSVK287/firefox-mais-logical-exam-occupancy",
  "browser_specific_settings": {
    "gecko": {
      "id": "mais-improvements@addon",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "collects_sensitive_data": false,
        "collects_non_sensitive_data": false
      }
    }
  },
  "icons": {
    "48": "icons/icon-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://student.tuke.sk/student/home.mais*"
      ],
      "js": [
        "occupancy_label.js"
      ]
    }
  ]
}