Function GET

Returns Promise<
    | NextResponse<
        {
            employeeTrainings: (
                {
                    employee: { user: { email: string } } & {};
                    files: {}[];
                    training: {};
                } & {}
            )[];
            pagination: {
                page: number;
                limit: number;
                total: number;
                totalPages: number;
            };
            stats: {
                total: number;
                completed: number;
                inProgress: number;
                planned: number;
            };
        },
    >
    | NextResponse<{ error: string }>,
>