Add TypeService

src/main/kotlin/ltd/hlaeja/service/TypeService.kt

@@ -0,0 +1,14 @@
+package ltd.hlaeja.service
+
+import kotlinx.coroutines.flow.Flow
+import ltd.hlaeja.entity.TypeEntity
+import ltd.hlaeja.repository.TypeRepository
+import org.springframework.stereotype.Service
+
+@Service
+class TypeService(
+    private val typeRepository: TypeRepository,
+) {
+
+    fun getTypes(): Flow<TypeEntity> = typeRepository.findAll()
+}