Mail Merge for Gmail

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "background": {
        "service_worker": "\/js\/bg-worker.js"
    },
    "container": [
        "GOOGLE_DRIVE"
    ],
    "default_locale": "en",
    "description": "__MSG_AppDesc__",
    "icons": {
        "16": "icon-16.png",
        "32": "icon-32.png",
        "48": "icon-48.png",
        "64": "icon-64.png",
        "72": "icon-72.png",
        "96": "icon-96.png",
        "128": "icon-128.png",
        "192": "icon-192.png",
        "256": "icon-256.png",
        "512": "icon-512.png"
    },
    "manifest_version": 3,
    "name": "__MSG_AppName__",
    "offline_enabled": true,
    "version": "3.0.1",
    "action": {
        "default_icon": "icon-512.png"
    },
    "homepage_url": "https:\/\/anothermailmerge.dllplayer.com\/"
}