Mouseless Stack-Calculator App

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Mouseless Stack-Calculator App",
    "version": "0.810",
    "manifest_version": 2,
    "description": "An innovative RPN and stack-calculator with keyboard input (as packaged app)",
    "icons": {
        "32": "c32v01.png",
        "48": "c48v01.png",
        "128": "c128v01.png"
    },
    "app": {
        "background": {
            "scripts": [
                "background.js"
            ]
        }
    },
    "permissions": [
        "http:\/\/www.ecb.europa.eu\/",
        "storage"
    ],
    "optional_permissions": [
        "clipboardRead",
        "clipboardWrite"
    ]
}