Examine source code of NEURON+GENESYS Extension

{
  "action": {
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "neuron-genesys102@example.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "https://www.db.yugioh-card.com/*"
      ],
      "run_at": "document_idle"
    }
  ],
  "description": "遊戯王NEURONでジェネシスポイントを表示 / Display Genesys points on YuGiOh! NEURON",
  "host_permissions": [
    "https://ygogenesys.jp/"
  ],
  "icons": {
    "128": "icon128.png"
  },
  "manifest_version": 3,
  "name": "NEURON+GENESYS Extension",
  "permissions": [
    "storage"
  ],
  "version": "1.0.7"
}