feat(dal,aihitloader): Создали таблицы схемы Units и сервисы к ним.

PARR.DAL/Models/Unit/UnitFieldValue.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore;
+using PARR.DAL.Context;
+using PARR.DAL.Models.Base;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace PARR.DAL.Models.Unit
+{
+    [Table("FieldValues", Schema = DataContextSettings.Unit)]
+    [Comment("Значения полей ЭК")]
+    [Index(nameof(Value))]
+    public class UnitFieldValue : IBase
+    {
+        [Key]
+        public Guid Id { get; set; }
+
+        public DateTimeOffset DateCreated { get; set; }
+
+        [NotMapped]
+        public DateTimeOffset? DateModified { get; set; }
+
+        public string? Value { get; set; }
+
+
+        public ICollection<UnitInValue> UnitInValues { get; set; } = new HashSet<UnitInValue>();
+
+        public ICollection<UnitFieldInUnitFieldValue> FieldValues { get; set; } = new HashSet<UnitFieldInUnitFieldValue>();
+    }
+}