Examine source code of ChartFox Browser Extension

{
  "manifest_version": 3,
  "name": "ChartFox Browser Extension",
  "version": "1.3.1",
  "description": "Enable fully-integrated chart viewing within the ChartFox web app",
  "author": "Cobalt Grid",
  "browser_specific_settings": {
    "gecko": {
      "id": "chartfox.cors-extension@cobaltgrid.com"
    }
  },
  "permissions": [
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "*://*.chartfox.org/*",
    "*://*/*"
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "ruleset",
        "enabled": true,
        "path": "rule.json"
      }
    ]
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "js": [
        "indicator.js"
      ],
      "matches": [
        "*://*.chartfox.org/*"
      ]
    }
  ],
  "options_ui": {
    "page": "about.html",
    "browser_style": false
  },
  "icons": {
    "48": "img/icon.png"
  }
}