refactor: move database-related projects to separate folder

SqlData/Application/Cqrs/LectureHall/Queries/GetLectureHallList/LectureHallListVm.cs

@@ -0,0 +1,14 @@
+using System.Collections.Generic;
+
+namespace Mirea.Api.DataAccess.Application.Cqrs.LectureHall.Queries.GetLectureHallList;
+
+/// <summary>
+/// Represents a view model containing multiple disciplines name.
+/// </summary>
+public class LectureHallListVm
+{
+    /// <summary>
+    /// The list of lecture hall.
+    /// </summary>
+    public IList<LectureHallLookupDto> LectureHalls { get; set; } = new List<LectureHallLookupDto>();
+}