Examine source code of Right On Page Devtools

{
  "manifest_version": 3,
  "name": "Right On Page Devtools",
  "description": "Check API responses, console logs and DOM styles right on page",
  "version": "1.2.5",
  "author": "rightonpage.dev",
  "icons": {
    "256": "logo.png"
  },
  "action": {
    "default_icon": {
      "32": "logo_square_64.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_page": "options.html",
  "permissions": [
    "storage",
    "activeTab",
    "alarms",
    "scripting"
  ],
  "host_permissions": [],
  "optional_permissions": [
    "scripting"
  ],
  "optional_host_permissions": [
    "https://*/*",
    "http://*/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "eyeson@ohhandy.com",
      "strict_min_version": "128.0"
    }
  }
}