Examine source code of Better Trading

{
  "manifest_version": 2,
  "name": "Better Trading",
  "version": "2.0.1",
  "description": "Improves UI/UX for Traders",
  "browser_specific_settings": {
    "gecko": {
      "id": "{c097f8f9-aec1-43cf-b6da-a88eff70a918}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Better Trading Settings"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.tradingview.com/*",
        "*://*.coinglass.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "storage",
    "activeTab"
  ]
}