Migrate to .NET8 GenCycleVDP

Migrate generator to .NET8

GenCycleVDP/Db/DbCycle.cs

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+using System;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+
+namespace GenCycleVDP.Db
+{
+    [Table("Cycles")]
+    internal class DbCycle
+    {
+        [Column("idCycle"), Required, Key]
+        public int IdCycle { get; set; }
+        [Column("numVdp")]
+        public int NumVdp { get; set; }
+        [Column("numCycle")]
+        public int NumCycle { get; set; }
+        [Column("factStart")]
+        public DateTime FactStart { get; set; }
+        [Column("thinkEnd")]
+        public DateTime ThinkEnd { get; set; }
+        [Column("factEnd")]
+        public DateTime FactEnd { get; set; }
+    }
+}

GenCycleVDP/Db/DbFurnace.cs

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+using System;
+using Microsoft.EntityFrameworkCore;
+
+namespace GenCycleVDP.Db
+{
+    internal class DbFurnace : DbContext
+    {
+        public DbSet<DbCycle> Cycles { get; set; }
+        public DbFurnace()
+        {
+            Database.EnsureCreated();
+        }
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            optionsBuilder.UseMySql("server=127.0.0.1;user=diplom;password=diplom;database=VDPCycles;", new MySqlServerVersion(new Version(8, 0)));
+        }
+
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+
+        }
+    }
+}