Adds user level hunt endpoints

src/main/kotlin/net/halfbinary/scavengerhuntapi/service/HunterService.kt

@@ -0,0 +1,15 @@
+package net.halfbinary.scavengerhuntapi.service
+
+import net.halfbinary.scavengerhuntapi.error.exception.NotFoundException
+import net.halfbinary.scavengerhuntapi.model.converter.toDomain
+import net.halfbinary.scavengerhuntapi.model.domain.Hunter
+import net.halfbinary.scavengerhuntapi.repository.HunterRepository
+import org.springframework.stereotype.Service
+
+@Service
+class HunterService(private val hunterRepository: HunterRepository) {
+    fun getHunterByEmail(email: String): Hunter {
+        return hunterRepository.findByEmail(email)?.toDomain()
+            ?: throw NotFoundException("No hunter with email $email found")
+    }
+}