Create an initial web service

Create a maven project structure.

One mock webservice should be included. Both Json and XML payload accepted.
Configuration of this webservice (response body, response headers, http status code) should be fully configured in a configuration file.

Invoication details (headers, payload) should be logged.

Closes #T124

src/main/java/com/release11/klaus/model/MockedResponseDto.java

@@ -0,0 +1,22 @@
+package com.release11.klaus.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.RequestEntity;
+
+import java.util.UUID;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class MockedResponseDto {
+    private UUID clientUUID;
+    private int mockedResponseId;
+    private String messageBody;
+    private HttpHeaders httpHeaders;
+    private String mediaType;
+}