manifest.json

{
  "manifest_version": 3,
  "name"            : "Manga Reader",
  "version"         : "1.3.9",
  "description"     : "Manga Reader",

  "icons": {
    "16" : "/icons/rice/16x16.png",
    "19" : "/icons/rice/19x19.png",
    "38" : "/icons/rice/38x38.png",
    "48" : "/icons/rice/48x48.png",
    "128": "/icons/rice/128x128.png"
  },

  "action": {
    "default_icon": {
      "16" : "/icons/rice/16x16.png",
      "19" : "/icons/rice/19x19.png",
      "38" : "/icons/rice/38x38.png",
      "48" : "/icons/rice/48x48.png",
      "128" : "/icons/rice/128x128.png"
    },
    "default_title": "Manga Reader"
  },

  "background" : {
    "service_worker": "background.js"
  },

  "options_page": "options.html",

  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "/icons/Jcrop.gif",
        "/icons/pixel.png"
      ]
    }
  ],

  "commands": {
    "take-screenshot": {
      "description": "Take Screenshot",
      "suggested_key": {
        "default": "Alt+S"
      }
    }
  },

  "permissions": [
    "storage",
    "scripting",
    "activeTab",
    "identity",
    "contextMenus"
  ],

  "oauth2": {
    "client_id": "__CLIENT_ID__",
    "scopes": [
      "https://www.googleapis.com/auth/userinfo.email",
      "https://www.googleapis.com/auth/userinfo.profile"
    ]
  },
  "key": "__EXTENSION_KEY__"
}