Examine source code of PrairieLearn Input Plus

{
  "manifest_version": 2,
  "name": "PrairieLearn Input Plus",
  "version": "1.0.1",
  "description": "A Firefox extension that enhances webpage interaction with React components",
  "browser_specific_settings": {
    "gecko": {
      "id": "@prairielearn-input-plus",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://us.prairielearn.com/*",
        "*://*.localhost/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    "content.js"
  ],
  "permissions": [
    "activeTab"
  ]
}