validation added

src/main/resources/application.properties

@@ -1,8 +1,8 @@
 spring.application.name=volunteersregistration
 
-spring.datasource.url=jdbc:mysql://localhost:3306/volunteers
+spring.datasource.url=jdbc:mysql://localhost:3306/volunteer
 spring.datasource.username=root
-spring.datasource.password=root
+spring.datasource.password=gccroot
 spring.jpa.hibernate.ddl-auto=update
 spring.jpa.show-sql=true
 spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver