Examine source code of PolySchedule

{
  "manifest_version": 3,
  "name": "PolySchedule | Horaire Polytechnique Montréal",
  "version": "1.0.3",
  "description": "Transforme l'horaire de cours du dossier étudiant de Polytechnique Montréal en un calendrier visuel interactif, moderne et coloré.",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://dossieretudiant.polymtl.ca/WebEtudiant7/PresentationHorairePersServlet*",
        "http://dossieretudiant.polymtl.ca/WebEtudiant7/PresentationHorairePersServlet*",
        "*://dossieretudiant.polymtl.ca/WebEtudiant7/PresentationHorairePersServlet*",
        "file://*/*PresentationHorairePersServlet*",
        "file://*/*Dossier%20%C3%A9tudiant%20-%20Polytechnique%20Montr%C3%A9al*.html*",
        "file://*/*Dossier*tudiant*Polytechnique*Montr*al*.html*",
        "file://*/*polyScheduleExtension*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "96": "icons/icon96.png",
      "128": "icons/icon128.png"
    },
    "default_title": "PolySchedule"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "polyschedule@polymtl.ca",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}