manifest.json

{
    "manifest_version": 2,
    "applications": {
        "gecko": {
            "id": "se@ms",
            "strict_min_version": "78.0"
        }
    },
    "name": "Seams",
    "version": "2.0.0",
    "description": "Patchwork integration for Thunderbird",
    "author": "Qeole",
    "homepage_url": "https://github.com/Qeole/seams",
    "icons": {
        "64": "icons/seams.png"
    },
    "permissions": [
        "https://*/",
        "messagesRead",
        "storage"
    ],
    "message_display_action": {
        "browser_style": true,
        "default_popup": "popup/popup.html",
        "default_title": "Patch",
        "theme_icons": [
            {
                "light": "icons/action_light_16.png",
                "dark": "icons/action_dark_16.png",
                "size": 16
            },
            {
                "light": "icons/action_light_32.png",
                "dark": "icons/action_dark_32.png",
                "size": 32
            }
        ]
    },
    "background": {
        "page": "scripts/background.html"
    },
    "options_ui": {
        "browser_style": true,
        "page": "options/ui.html"
    }
}