feat: added telegram client bot, created DB

JOBot.Backend/Data/Migrations/20250501165245_UpdateUser.cs

@@ -0,0 +1,50 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace JOBot.Backend.Data.Migrations
+{
+    /// <inheritdoc />
+    public partial class UpdateUser : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "CreatedAt",
+                table: "Users");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Username",
+                table: "Users",
+                type: "character varying(50)",
+                maxLength: 50,
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Username",
+                table: "Users",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "character varying(50)",
+                oldMaxLength: 50,
+                oldNullable: true);
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "CreatedAt",
+                table: "Users",
+                type: "timestamp with time zone",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified));
+        }
+    }
+}