Create IVillager.java

java/noppes/npcs/api/entity/IVillager.java

@@ -0,0 +1,12 @@
+package noppes.npcs.api.entity;
+
+import net.minecraft.entity.monster.EntityMob;
+
+public interface IVillager<T extends EntityMob> extends IEntityLiving<T>{
+    
+    int getProfession();
+
+    boolean getIsTrading();
+
+    IEntityLivingBase getCustomer();
+}