feat: added DAL

JOBot.Backend/DAL/Context/AppDbContext.cs

@@ -0,0 +1,11 @@
+namespace JOBot.Backend.DAL.Context;
+
+using JOBot.Backend.DAL.Models;
+using Microsoft.EntityFrameworkCore;
+
+class AppDbContext : DbContext
+{
+    public DbSet<User> Users { get; set; }
+
+    public AppDbContext(DbContextOptions<AppDbContext> options) : base(options) { }
+}

JOBot.Backend/DAL/Models/User.cs

@@ -0,0 +1,9 @@
+namespace JOBot.Backend.DAL.Models;
+
+public class User
+{
+    public Guid Id { get; set; }
+    public long TelegramId { get; set; }
+    public string? Username { get; set; }
+    public DateTime CreatedAt { get; set; } = DateTime.Now;
+}