generalized autoResizeColumns(sheet) function

poi-util/src/main/java/de/muehlencord/shared/poi/WorkbookApp.java

@@ -290,4 +290,15 @@ public class WorkbookApp {
         return null;
     }
 
+    protected void autoResizeColumns(Sheet sheet) {
+        int maxColumn = sheet.getRow(0).getPhysicalNumberOfCells();
+        for (int currentColumn = 0; currentColumn < maxColumn; currentColumn++) {
+            if (LOGGER.isTraceEnabled()) {
+                LOGGER.trace("Auto resize column {}/{}", currentColumn, maxColumn);
+            }
+
+            sheet.autoSizeColumn(currentColumn);
+        }
+    }
+
 }