Examine source code of AI Image Grid

{
  "manifest_version": 3,
  "name": "AI Image Grid",
  "version": "2.0.0",
  "description": "Combine multiple images into a clean grid for AI chat uploads.",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "sidebar_action": {
    "default_title": "AI Image Grid",
    "default_panel": "sidebar/sidebar.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "ai-image-grid@local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}