add discord bot

change net6.0 net7.0

Database/Tables/Autobranches.cs

@@ -0,0 +1,14 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace DiscordApp.Database.Tables
+{
+    [Table("Autobranches", Schema = "public")]
+    public class Autobranches
+    {
+        [Key]
+        public ulong ChannelId { get; set; }
+        public string BranchName { get; set; }
+
+    }
+}