add discord bot

change net6.0 net7.0

Database/AppDbContext.cs

@@ -0,0 +1,18 @@
+using DiscordApp.Database.Tables;
+using Microsoft.EntityFrameworkCore;
+
+namespace DiscordApp.Database
+{
+    public class AppDbContext : DbContext
+    {
+        public AppDbContext(DbContextOptions<AppDbContext> options) : base(options) { }
+
+        public DbSet<Passport> Passport { get; set; }
+        public DbSet<Autobranches> Autobranches { get; set; }
+        public DbSet<Autoreactions> Autoreactions { get; set; }
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+            base.OnModelCreating(modelBuilder);
+        }
+    }
+}