Added logging for total amount of money added/removed from econ per material using VillagerUI

src/main/java/com/alttd/events/SpawnShopListener.java

@@ -0,0 +1,20 @@
+package com.alttd.events;
+
+import com.alttd.logging.LogInOut;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+
+public class SpawnShopListener implements Listener {
+
+    private final LogInOut log;
+    public SpawnShopListener(LogInOut log) {
+        this.log = log;
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR)
+    public void onSpawnShopEvent(SpawnShopEvent event) {
+        log.log(event.item().name(), event.price());
+    }
+
+}