Exchange rate chain

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Exchange rate chain",
  "version": "1.0",
  "description": "Exchange rate monitoring in real time, tracking the effect of currency conversion on different chains.",
  "author": "shinate",
  "icons": {
    "16": "assets/[email protected]",
    "48": "assets/[email protected]",
    "128": "assets/[email protected]"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "assets/[email protected]"
    }
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "content_security_policy": "script-src 'self' blob: 'unsafe-eval'; object-src 'self'",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "web_accessible_resources": [
    "app.html"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/injection.js"
      ],
      "css": [
        "css/injection.css"
      ],
      "run_at": "document_end"
    }
  ]
}