Examine source code of PropSaver 2

{
  "manifest_version": 3,
  "name": "PropSaver 2",
  "description": "Ready to save? your prop firm purchases are about to become a lot cheaper",
  "developer": {
    "name": "Studio 11 Productions",
    "url": "https://studio11.com"
  },
  "version": "2.0.1",
  "permissions": [
    "clipboardWrite"
  ],
  "host_permissions": [
    "https://*/*"
  ],
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "64": "icon64.png",
    "128": "icon128.png",
    "512": "icon512.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "https://*/*"
      ],
      "run_at": "document_start",
      "all_frames": true,
      "css": [
        "styles.css"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "miki@studio11.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}