feat: Create an interface to validate whether the identity document i…

…s valid

src/Shared/Interfaces/IIdentityDocumentValidator.cs

@@ -0,0 +1,13 @@
+namespace DentallApp.Shared.Interfaces;
+
+/// <summary>
+/// Represents a validator to validate identity documents.
+/// </summary>
+public interface IIdentityDocumentValidator
+{
+    /// <summary>
+    /// Checks if an identity document is valid.
+    /// </summary>
+    /// <param name="document">The document to validate.</param>
+    Result IsValid(string document);
+}