Examine source code of Simple QR Code Generator

{
  "manifest_version": 3,
  "name": "Simple QR Code Generator",
  "version": "1.3.2.1",
  "description": "Generates a QR code based off on what website are you or the text you input.",
  "author": "Danek309044",
  "action": {
    "default_popup": "popup.html",
    "default_title": "QR Generator"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "danek309044@proton.me"
    }
  },
  "icons": {
    "16": "src/icons/16.png",
    "128": "src/icons/128.png"
  },
  "permissions": [
    "tabs"
  ]
}