add portable fluid cell

src/main/java/com/glodblock/github/loader/ItemAndBlockHolder.java

@@ -29,6 +29,7 @@ public class ItemAndBlockHolder {
     public static ItemFluidLevelEmitter FLUID_LEVEL_EMITTER = new ItemFluidLevelEmitter().register();
     public static ItemFluidStorageMonitor FLUID_STORAGE_MONITOR = new ItemFluidStorageMonitor().register();
     public static ItemFluidConversionMonitor FLUID_CONVERSION_MONITOR = new ItemFluidConversionMonitor().register();
+    public static ItemPortableFluidCell PORTABLE_FLUID_CELL = new ItemPortableFluidCell().register();
     public static ItemFluidPacket PACKET = new ItemFluidPacket().register();
     public static ItemBasicFluidStorageCell CELL1K = new ItemBasicFluidStorageCell(CellType.Cell1kPart, 1).register();
     public static ItemBasicFluidStorageCell CELL4K = new ItemBasicFluidStorageCell(CellType.Cell4kPart, 4).register();