Spanish Special Characters

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "Spanish Special Characters",
    "version": "0.0.0.3",
    "description": "An extension to easily copy and paste spanish special characters",
    "browser_action": {
        "default_popup": "index.html"
    },
    "icons": {
        "48": "48.png",
        "128": "128.png"
    },
    "background": {
        "scripts": [
            "background.js"
        ]
    },
    "permissions": [
        "storage"
    ],
    "content_scripts": [
        {
            "js": [
                "charfi.js"
            ],
            "matches": [
                ""
            ]
        }
    ]
}