To do List for Gmail

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "__MSG_extName__",
    "version": "0.1.4",
    "description": "__MSG_extDescription__",
    "background": {
        "service_worker": "js\/BackgroundService.js",
        "type": "module"
    },
    "permissions": [
        "storage"
    ],
    "host_permissions": [
        "https:\/\/mail.google.com\/*"
    ],
    "content_scripts": [
        {
            "matches": [
                "https:\/\/mail.google.com\/*"
            ],
            "js": [
                "js\/content\/GmailTaskInjector.js"
            ],
            "run_at": "document_idle"
        }
    ],
    "action": {
        "default_title": "Tasks",
        "default_popup": "pages\/popup\/popup.html",
        "default_icon": {
            "16": "images\/icon_16.png",
            "48": "images\/icon_48.png",
            "128": "images\/icon_128.png"
        }
    },
    "icons": {
        "16": "images\/icon_16.png",
        "48": "images\/icon_48.png",
        "128": "images\/icon_128.png"
    },
    "homepage_url": "https:\/\/task-list-gmail.pdfwork.com",
    "default_locale": "en"
}