Examine source code of Quote Rich Text

{
  "manifest_version": 2,
  "name": "Quote Rich Text",
  "version": "1.0",
  "description": "Wraps selected editable text in a styled blockquote, like Gmail®",
  "icons": {
    "32": "images/icon-32.png",
    "48": "images/icon-48.png",
    "64": "images/icon-64.png",
    "96": "images/icon-96.png",
    "128": "images/icon-128.png"
  },
  "permissions": [
    "activeTab",
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "32": "images/icon-32.png",
      "48": "images/icon-48.png",
      "64": "images/icon-64.png",
      "96": "images/icon-96.png",
      "128": "images/icon-128.png"
    },
    "default_title": "Quote Rich Text"
  },
  "commands": {
    "quote-rich-text": {
      "suggested_key": {
        "default": "Ctrl+Alt+Q"
      },
      "description": "Quote selected rich text"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "john.navas@gmail.com"
    }
  }
}