Clik - Email Tracker for Gmail

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Clik - Email Tracker for Gmail",
  "version": "2.5",
  "manifest_version": 3,
  "description": "Track Email Opens, Clicks, Location & Device",
  "action": {
    "default_popup": "popup/index.html",
    "default_icon": {
      "16": "icons/Icon.png",
      "32": "icons/Icon.png",
      "48": "icons/Icon.png",
      "128": "icons/Icon.png"
    },
    "default_title": "Clik - Email Tracker for Gmail"
  },
  "background": {
    "service_worker": "js/background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "*://mail.google.com/*"
      ],
      "js": [
        "js/jquery.min.js",
        "injectors/gmail.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://mail.google.com/*"
      ],
      "js": [
        "injectors/clik_gmail.js"
      ],
      "css": [
        "css/gmail.css"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/Icon.png",
        "icons/remove.png"
      ],
      "matches": [
        "*://mail.google.com/*"
      ]
    }
  ],
  "host_permissions": [
    "https://mail.google.com/*"
  ],
  "permissions": [
    "storage",
    "notifications",
    "declarativeNetRequest",
    "declarativeNetRequestFeedback"
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "ruleset_1",
        "enabled": true,
        "path": "rules_1.json"
      }
    ]
  }
}