Cambiata visualizzazione calendario e aggiunto formAttività

Template.Shared/Core/Utility/UtilityString.cs

@@ -8,4 +8,12 @@ public static class UtilityString
             .Split(' ', StringSplitOptions.RemoveEmptyEntries)
             .Select(word => char.ToUpper(word[0])));
     }
+
+    public static string FirstCharToUpper(this string input) =>
+        input switch
+        {
+            null => throw new ArgumentNullException(nameof(input)),
+            "" => throw new ArgumentException($"{nameof(input)} cannot be empty", nameof(input)),
+            _ => input[0].ToString().ToUpper() + input.Substring(1)
+        };
 }