Highspot for Gmail

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Highspot for Gmail",
  "short_name": "Highspot",
  "description": "Highspot naturally fits into your day-to-day workflow by integrating directly with Gmail.",
  "version": "1.5.3",
  "content_scripts": [
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "css": [
        "css/main.css"
      ],
      "js": [
        "js/inboxsdk.js",
        "js/jquery-3.5.1.js",
        "js/kefir-3.5.2.js",
        "js/template.js",
        "js/dynamicload.js",
        "js/dompurify.js",
        "js/Sanitize.js",
        "pageWorld.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "img/icon16.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "action": {
    "default_icon": {
      "19": "img/toolbar_icon19.png",
      "38": "img/toolbar_icon38.png"
    },
    "default_popup": "html/popup.html",
    "default_title": "Highspot for Gmail"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "img/*.png",
        "img/*.gif",
        "js/*.js",
        "html/*.html",
        "js/*.json",
        "css/*.css",
        "*.js"
      ],
      "matches": [
        "https://mail.google.com/*"
      ]
    }
  ],
  "permissions": [
    "storage",
    "scripting",
    "alarms"
  ],
  "host_permissions": [
    "https://mail.google.com/*"
  ],
  "externally_connectable": {
    "matches": [
      "https://*.highspot.com/*"
    ]
  },
  "background": {
    "service_worker": "js/background.js",
    "type": "module"
  },
  "minimum_chrome_version": "93.0",
  "manifest_version": 3
}