feat: Add PACS.007.001.10 Builder Support

- Implemented `Pacs00700110Builder` for ISO 20022 message PACS.007.001.10 (Payment Reversal V10)
- Added methods for setting group header, original group information, and payment transactions
- Included validation for message structure and transaction counts
- Implemented XML generation and serialization capabilities
- Added comprehensive test suite with unit tests for builder functionality and validation
- Updated `MessageType` enum to include `Pacs00700110`
- Documented builder methods and usage

Author: cleilson pereira

Iso20022Library.Application/Builders/MessageBuilderFactory.cs

@@ -50,7 +50,8 @@ public class MessageBuilderFactory
         { MessageType.Pain00700109, () => new Pain00700109Builder() },
         { MessageType.Pacs00200111, () => new Pacs.Pacs00200111Builder() },
         { MessageType.Pacs00300108, () => new Pacs.Pacs00300108Builder() },
-        { MessageType.Pacs00400110, () => new Pacs.Pacs00400110Builder() }
+        { MessageType.Pacs00400110, () => new Pacs.Pacs00400110Builder() },
+        { MessageType.Pacs00700110, () => new Pacs.Pacs00700110Builder() }
     };
 
     /// <summary>