wpak package for wpak code

src/engine/wpak/EffectEntry.java

@@ -0,0 +1,14 @@
+package engine.wpak;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+
+public class EffectEntry {
+    public String id;
+    public String name;
+    public int icon;
+    public HashSet<String> sources = new HashSet<>();
+    public ArrayList<EffectModifier> mods = new ArrayList<>();
+    public HashMap<String, Float> conditions = new HashMap<>();
+}