GitHub Hovercard

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "GitHub Hovercard",
    "description": "Neat hovercards for GitHub.",
    "version": "1.9.4",
    "icons": {
        "128": "icon.png"
    },
    "background": {
        "scripts": [
            "background.js"
        ],
        "persistent": false
    },
    "permissions": [
        "webNavigation",
        "storage",
        "https:\/\/github.com\/*"
    ],
    "optional_permissions": [
        "<all_urls>"
    ],
    "externally_connectable": {
        "matches": [
            "*:\/\/justineo.github.io\/*"
        ]
    },
    "options_ui": {
        "page": "options.html",
        "chrome_style": true
    }
}