Gmail HTML basic

manifest.json

{
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwV52R58GVp8NIyGHbQthGdVx1JbXiPmrSQgO1Vh0szX7g1tLkdTOXzb7TG/KSZk1GLiyv7Z3vFhPPGqeR44z98Xv4saqN2TRzGsmnRYzyejrWZMu74njpHNAxkwLou6vn8M2wacTjW0JMReKXbM0LFPFuah4kYECND3pA7swfkYqLsTF8qAAzeReJeCWqNLy9BTBmdauB1ptwAMbR5BoysJdDS0cBwjJs4EFmKjaD5JpaiZmbDxGzMNo+B/yi1oErsS2Auj8Tn/Sz4P+dbZZX5K4bIjD41yhSnh/sKIM/HzJydJlM26gQNUYjnWzaRh77Zjkc/pBBGpIdpyLzbxnBQIDAQAB",
  "content_scripts": [
    {
      "matches": [
        "https://mail.google.com/mail/*/h/*",
        "https://mail.google.com/mail/h/*"
      ],
      "js": [
        "jquery-3.4.1.min.js",
        "debug.js",
        "labelRelocation.js",
        "searches.js",
        "selectAll.js",
        "createLabel.js"
      ],
      "run_at": "document_end"
    }
  ],
  "description": "A extension for whom using Gmail HTML Basic",
  "default_locale": "en",
  "icons": {
    "16": "images/gmail16.png",
    "32": "images/gmail32.png",
    "48": "images/gmail48.png",
    "128": "images/gmail128.png"
  },
  "background": {
    "persistent": false,
    "scripts": [
      "background.js"
    ]
  },
  "page_action": {
    "default_icon": {
      "16": "images/gmail16.png",
      "32": "images/gmail32.png",
      "48": "images/gmail48.png",
      "128": "images/gmail128.png"
    },
    "default_popup": "popup.html"
  },
  "version": "49",
  "manifest_version": 2,
  "permissions": [
    "activeTab",
    "declarativeContent",
    "storage"
  ],
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Gmail HTML basic"
}