Feat: Implement Serializable

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/zip/CityGmlZipEntry.java

@@ -9,15 +9,18 @@ import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
 import java.io.IOException;
-import java.io.InputStream;
+import java.io.Serial;
+import java.io.Serializable;
 import java.util.zip.ZipEntry;
 
-public class CityGmlZipEntry {
+public class CityGmlZipEntry implements Serializable {
 
     private static final Logger logger = LogManager.getLogger(CityGmlZipEntry.class);
+    @Serial
+    private static final long serialVersionUID = -5732913269959043262L;
 
     private final String fileName;
-    private CityDoctorModel model;
+    private transient CityDoctorModel model;
     private CityGmlZipArchive parentArchive;
     private boolean decompressed;
     private long fileSize = -1L;