Examine source code of AmeExtension

{
  "manifest_version": 2,
  "name": "AmeExtension",
  "version": "1.3",
  "description": "Extract word information from Jisho with a single click and downloads it as an Anki dictionary",
  "browser_action": {
    "default_title": "AmeExtension",
    "default_icon": "icons/icon48.png",
    "default_popup": "popup/popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.jisho.org/*"
      ],
      "js": [
        "scripts/main.js",
        "scripts/cmenu.js"
      ]
    }
  ],
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png"
  },
  "permissions": [
    "storage",
    "contextMenus"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{575bf6b8-367e-44d2-add7-0bdbd0c331ba}",
      "strict_min_version": "57.0"
    }
  }
}