ThunderSign - Digital signature

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "ThunderSign - Digital signature",
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsgvoBH6zSN9hMkMaZbtqQR6iXpz0AX8Z3+xt0azVipZhg5h74T8oMwZ2Gq7aDEyYe/0sXOGTkWRKJTZ1qc1JNLdqimK0yypZdEsUi60TG522bapdcfTxYhxWnp28yyJgwuU8uklGMCwkxXrQ2f8hj/mmgJbCvNseB/VINqbq9G9huGCAd9fc32utBMjYa8jayxj0dQrhzD5mf0CXmipidnLwLfswy0uF05G2sSJfGQ6uH9IoNkB8bjGLyDfcybQchaCW/1HA+N6Ljrcbx/ONref5ZV6/lnkHxfrrcnGDkg1JJ/ICrOWvWv80jv78+foFlpMnVdSBF+bcO8noAzygxwIDAQAB",
  "description": "Digital Signature on Gmail attachments using Bit4id Tokens",
  "version": "1.0",
  "author": "Davide Bagnato",
  "permissions": [
    "declarativeContent",
    "nativeMessaging",
    "activeTab",
    "downloads",
    "tabs",
    "storage",
    "<all_urls>",
    "identity",
    "contextMenus",
    "https://www.googleapis.com/upload/gmail/v1/users/me/messages/send?uploadType=multipart"
  ],
  "background": {
    "scripts": [
      "scripts/background.js",
      "scripts/bootstrap/jquery-3.4.1.slim.min.js"
    ]
  },
  "oauth2": {
    "client_id": "500941724095-q9ghi3np9eqvdvlhr806jj84f74elrnn.apps.googleusercontent.com",
    "scopes": [
      "https://mail.google.com/",
      "https://www.googleapis.com/auth/gmail.modify",
      "https://www.googleapis.com/auth/gmail.insert",
      "https://www.googleapis.com/auth/gmail.send",
      "https://www.googleapis.com/auth/gmail.compose"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "ThunderSign",
    "default_icon": "images/icon-32.png"
  },
  "icons": {
    "16": "images/icon-16.png",
    "32": "images/icon-32.png",
    "64": "images/icon.png"
  }
}