Examine source code of 右クリックAmazon検索

{
  "manifest_version": 2,
  "name": "右クリックAmazon検索",
  "description": "",
  "version": "1.0",
  "applications": {
    "gecko": {
      "strict_min_version": "60.0",
      "id": "{8c779400-6da8-4d59-9229-a846d8d3e308}"
    }
  },
  "background": {
    "scripts": [
      "src/Test.js",
      "src/background.js"
    ]
  },
  "permissions": [
    "contextMenus"
  ],
  "icons": {
    "48": "icons/icon_48.png",
    "96": "icons/icon_96.png"
  }
}