Removes redundant DB data fields and adds photo submission endpoint along with MinIO support for image storage

src/main/kotlin/net/halfbinary/scavengerhuntapi/model/PhotoStatus.kt

@@ -0,0 +1,8 @@
+package net.halfbinary.scavengerhuntapi.model
+
+enum class PhotoStatus {
+    SUBMITTED,
+    APPROVED,
+    REJECTED,
+    REMOVED
+}