Add spring-boot-starter-validation

Signed-off-by: Lehmann_Fabian <fabian.lehmann@informatik.hu-berlin.de>

Author: Lehmann-Fabian

pom.xml

@@ -118,6 +118,11 @@
             <version>9.12.4544</version>
         </dependency>
 
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+
     </dependencies>
 
     <build>