find Real customer api (inconvinence)

src/main/kotlin/com/aitrainer/api/service/CustomerService.kt

@@ -0,0 +1,10 @@
+package com.aitrainer.api.service
+
+import com.aitrainer.api.model.Customer
+import org.springframework.data.jpa.repository.Query
+import org.springframework.data.repository.query.Param
+
+interface CustomerService {
+    @Query("FROM customer WHERE active = :active")
+    fun findRealCustomers(@Param("active") active: String): List<Customer>
+}