Examine source code of FinancialJuice Widget

{
  "manifest_version": 3,
  "name": "FinancialJuice Widget",
  "version": "1.0.0",
  "description": " FinancialJuice live news feed",
  "host_permissions": [
    "*://*.tradingview.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.tradingview.com/*"
      ],
      "js": [
        "contentscript.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "handle.png",
        "dragIcon.png",
        "financialjuice-icon-filled-256.png",
        "icon16.png",
        "icon48.png",
        "icon128.png"
      ],
      "matches": [
        "*://*.tradingview.com/*"
      ]
    }
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "widget@financialjuice.com"
    }
  }
}