Add few APIs related to call and Update Responses for Call Controller

src/main/java/net/gepafin/tendermanagement/service/impl/RoleServiceImpl.java

@@ -31,7 +31,7 @@ public class RoleServiceImpl implements RoleService {
 
     @Override
     @Transactional(readOnly = true)
-    public RoleEntity getRoleById(Long roleId) {
+    public RoleResponseBean getRoleById(Long roleId) {
         return roleDao.getRoleById(roleId);
     }