Add project documentation and architecture guide

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2025-07-10 bcb2bae4c85c5a7d576116ff9ae2a0c6d0011565

 MES.Service/Dto/service/SJPageResult.cs

@@ -18,6 +18,9 @@
    public string? FName { get; set; }
    public string? Result { get; set; }

    [SugarColumn(IsIgnore = true)]
    public string? SearchValue { get; set; }

    [SugarColumn(ColumnName = "STATUS_USER")] //用于SqlSugar
    public string? StatusUser { get; set; }