Examine source code of Hostile Shapes Game

{
  "name": "Hostile Shapes Game",
  "author": "Rob Baker",
  "description": "Confront them at your peril",
  "version": "1.0.60",
  "action": {
    "default_title": "Hostile Shapes Aracde",
    "default_popup": "mini.html",
    "default_icon": {
      "16": "images/icons/icon-16x16.png",
      "32": "images/icons/icon-32x32.png",
      "48": "images/icons/icon-48x48.png",
      "128": "images/icons/icon-128x128.png"
    }
  },
  "icons": {
    "16": "images/icons/icon-16x16.png",
    "32": "images/icons/icon-32x32.png",
    "48": "images/icons/icon-48x48.png",
    "128": "images/icons/icon-128x128.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; script-src-elem 'self';"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5a1076cc-e369-4c34-a262-a2bb85bca535}"
    }
  },
  "manifest_version": 3
}