Done ticket GEPAFINBE-205 Handled the old and new vatCheck company json through versioning.

src/main/java/net/gepafin/tendermanagement/enums/VatCheckVersionTypeEnum.java

@@ -0,0 +1,19 @@
+package net.gepafin.tendermanagement.enums;
+
+import com.fasterxml.jackson.annotation.JsonValue;
+
+public enum VatCheckVersionTypeEnum {
+    V1("V1"),
+    V2("V2");
+    private String value;
+
+    VatCheckVersionTypeEnum(String value) {
+        this.value = value;
+    }
+
+    @JsonValue
+    public String getValue() {
+        return value;
+    }
+
+}