Create files from Grasscutter-Quests

these files are NOT directly compatible with Grasscutter, and require additional modifications to the codebase to work.

src/main/java/emu/grasscutter/game/dungeons/DungeonValue.java

@@ -0,0 +1,11 @@
+package emu.grasscutter.game.dungeons;
+
+import emu.grasscutter.game.dungeons.enums.DungeonPassConditionType;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+@Retention(RetentionPolicy.RUNTIME)
+public @interface DungeonValue {
+    DungeonPassConditionType value();
+}