Examine source code of UrlRegexBar

{
  "manifest_version": 3,
  "name": "UrlRegexBar",
  "version": "1.0.5",
  "description": "Shows a color bar at the top of the page according to URL regex patterns.",
  "permissions": [
    "storage",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background-window.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_title": "UrlRegexBar Settings"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "urlregexbar@wtech-dev",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "142.0"
    }
  },
  "icons": {
    "48": "icon48.png",
    "96": "icon96.png"
  }
}