Improve image caption styling

dmp-backend/web/src/main/java/eu/eudat/logic/utilities/documents/word/WordBuilder.java

@@ -209,6 +209,7 @@ public class WordBuilder {
                     XWPFParagraph captionParagraph = mainDocumentPart.createParagraph();
                     captionParagraph.setAlignment(ParagraphAlignment.CENTER);
                     captionParagraph.setSpacingBefore(0);
+                    captionParagraph.setStyle("Caption");
                     XWPFRun captionRun = captionParagraph.createRun();
                     captionRun.setText("Image " + imageCount);