Examine source code of Klyqme

{
  "manifest_version": 2,
  "name": "Klyqme",
  "description": "Shorten any URL in one click with Klyqme",
  "version": "1.0.0",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "contextMenus",
    "notifications",
    "https://api.klyqme.com/*"
  ],
  "content_security_policy": "script-src 'self'; object-src 'none'",
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+K",
        "mac": "Command+Shift+K"
      },
      "description": "Open Klyqme"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@klyqme.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Klyqme",
    "default_popup": "popup.html"
  }
}