Function useMail

Returns {
    addReceivedMail: (newMail: Mail) => void;
    archiveMail: (id: number, archiveState?: boolean) => Promise<void>;
    deleteMail: (id: number) => Promise<void>;
    mailStore: {
        add: (draft: TDraft) => Promise<Mail>;
        addReceivedMail: (incoming: Mail) => void;
        archive: (id: number, archive?: boolean) => Promise<void>;
        delete: (id: number) => Promise<void>;
        load: () => Promise<void>;
        loaded: {
            subscribe: (
                this: void,
                run: Subscriber<boolean>,
                invalidate?: () => void,
            ) => Unsubscriber;
        };
        markAsRead: (id: number) => Promise<void>;
        patch: (id: number, changes: Partial<T>) => void;
        set: (rows: Mail[]) => void;
        subscribe: (
            this: void,
            run: Subscriber<Mail[]>,
            invalidate?: () => void,
        ) => Unsubscriber;
        update: (row: Mail) => Promise<void>;
    };
    markAsRead: (id: number) => Promise<void>;
    unreadMailCount: Readable<number>;
}