Examine source code of Svg Image Viewer

{
  "manifest_version": 2,
  "name": "Svg Image Viewer",
  "version": "1.0",
  "description": "Browser extension to edit Svg with preview",
  "permissions": [
    "tabs",
    "scripting",
    "activeTab"
  ],
  "browser_action": {
    "default_icon": "icon48.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+I"
      },
      "description": "Preview your svgs and pngs"
    }
  },
  "web_accessible_resources": [
    "popup.html"
  ],
  "icons": {
    "50": "icon48.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{306876d9-a557-4e54-9e85-b21b4eb4480a}"
    }
  }
}