Salesforce Trailhead Quiz Extractor

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "Salesforce Trailhead Quiz Extractor",
    "version": "0.0.2",
    "description": "Show quiz and options in plain text format in a Salesforce Trailhead unit",
    "author": "Shun Kosaka",
    "background": {
        "scripts": [
            "background.js"
        ],
        "persistent": false
    },
    "permissions": [
        "tabs",
        "https:\/\/trailhead.salesforce.com\/*"
    ],
    "page_action": {
        "default_title": "Trailhead Quiz",
        "default_popup": "popup.html"
    },
    "content_scripts": [
        {
            "matches": [
                "https:\/\/trailhead.salesforce.com\/*"
            ],
            "js": [
                "jquery-2.1.0.min.js",
                "content.js"
            ],
            "run_at": "document_end"
        }
    ]
}