Implements Hunt basic create and get, and adds field validation to controllers

src/main/kotlin/net/halfbinary/scavengerhuntapi/model/request/HuntStatus.kt

@@ -0,0 +1,7 @@
+package net.halfbinary.scavengerhuntapi.model.request
+
+enum class HuntStatus {
+    UNSTARTED,
+    ONGOING,
+    CLOSED
+}