Examine source code of Lms Expand Tools

{
  "manifest_version": 3,
  "name": "Lms Expand Tools",
  "version": "1.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "lms-expand-tools@kanazawa-u.ac.jp",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "options_ui": {
    "page": "options/options.html"
  },
  "description": "A FireFox extension to expand LMS tools for better user experience.",
  "icons": {
    "48": "icons/Lms-Expand-Tools-48.png"
  },
  "action": {
    "default_title": "Lms Expand Tools"
  },
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.acanthus.cis.kanazawa-u.ac.jp/*"
      ],
      "js": [
        "script/script.js"
      ]
    }
  ],
  "permissions": [
    "storage",
    "tabs"
  ]
}