feat: implemented return of user info and eula accept logic

JOBot.Backend/DAL/Context/AppDbContext.cs

@@ -1,19 +1,17 @@
 namespace JOBot.Backend.DAL.Context;
 
-using JOBot.Backend.DAL.Models;
+using Models;
 using Microsoft.EntityFrameworkCore;
 
-public class AppDbContext : DbContext
+public class AppDbContext(DbContextOptions<AppDbContext> options) : DbContext(options)
 {
     public DbSet<User> Users { get; set; }
 
-    public AppDbContext(DbContextOptions<AppDbContext> options) : base(options) { }
-
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {   
         base.OnModelCreating(modelBuilder);
 
         modelBuilder.Entity<User>()
-            .HasAlternateKey(b => b.TelegramId);
+            .HasAlternateKey(b => b.UserId);
     }
 }