Added dependency for validation used in models

Author: Darsonn

pom.xml

@@ -65,6 +65,10 @@
             <artifactId>spring-boot-starter-webmvc-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
     </dependencies>
 
     <build>