Examine source code of Phaser Data Inspector

{
  "manifest_version": 3,
  "name": "Phaser Data Inspector",
  "version": "0.2.0",
  "description": "Inspect Phaser game data and state",
  "permissions": [
    "activeTab",
    "scripting",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "action-popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "devtools_page": "devtools.html",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "phaser-data-inspector@cassino.dev",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}