- Updated column names from 'Timer' to 'RowVersion' in schema.sql for

- Introduced new BeerPost entity and updated BreweryPost and BreweryPostLocation entities to use 'RowVersion' for concurrency.
- Modified UserAccount, UserCredential, UserVerification, City, StateProvince, and Country entities to use 'RowVersion' instead of 'Timer'.
- Updated tests and command handlers to reflect changes in concurrency token from 'Timer' to 'RowVersion'.
- Adjusted BreweryDto and BreweryDtoMapper to include 'RowVersion' and updated mapping logic accordingly.
- Ensured all repository methods and interfaces are aligned with the new concurrency handling approach.

web/backend/Domain/Domain.Entities/Entities/BeerPost.cs

@@ -0,0 +1,27 @@
+namespace Domain.Entities;
+
+public sealed class BeerPost
+{
+    // PK
+    public Guid BeerPostId { get; set; } = Guid.Empty;
+
+    // FK References
+    public Guid PostedById { get; set; } = Guid.Empty;
+    public Guid BeerStyleId { get; set; } = Guid.Empty;
+    public Guid BrewedById { get; set; } = Guid.Empty;
+
+    // Attributes
+    public string Name { get; set; } = string.Empty;
+    public string Description { get; set; } = string.Empty;
+    public decimal ABV { get; set; }
+    public int IBU { get; set; }
+
+    // Audit Fields
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+    public byte[]? RowVersion { get; set; }
+
+    // Navigation Properties
+    public UserAccount? PostedBy { get; set; }
+    public BreweryPost? BrewedBy { get; set; }
+}