CX el manifesto Example

{
    "manifest_version": 2,
    "name": "-",
    "version": "0.0",
    "description": "-",
    "browser_action": {
        "default_icon": "icon.png",
        "default_title": "-",
        "default_popup": "popup.html"
    },
    "background": {
        "scripts": ["bckgr.js"],
        "persistent": false
    },
    "content_scripts": [
        {
            "matches": ["<all_urls>"],
            "js": ["content.js"]
        }
    ],
    "permissions": [
        "tabs",
        "activeTab",
        "<all_urls>",
        "storage"
    ]
}