add discord bot

change net6.0 net7.0

Database/Tables/Patents.cs

@@ -0,0 +1,20 @@
+using DiscordApp.Enums;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace DiscordApp.Database.Tables
+{
+    [Table("Patents", Schema = "public")]
+    public class Patents
+    {
+        public string Employee { get; set; }
+        public string Applicant { get; set; }
+        public int Date { get; set; }
+        [Key]
+        public int[] Number { get; set; }
+        public Supporter Support { get; set; }
+        public string Gender { get; set; }
+        public string Name { get; set; }
+
+    }
+}