Implement few fluid related registration functions

api/fluid.lua

@@ -25,6 +25,16 @@ local function createItemFluidStorageText(itemstack)
 	return minetest.colorize(color,S("@1 / @2 mB",fluidAmount,fluidCapacity))
 end
 
+-- \brief Adds fluid storage to node metadata
+-- \param meta MetaDataRef
+-- \param capacity number
+-- \returns nil
+function industrialtest.api.addFluidStorage(meta,capacity)
+	meta:set_int("industrialtest.fluidCapacity",capacity)
+	meta:set_int("industrialtest.fluidAmount",0)
+	meta:set_string("industrialtest.fluidType","ignore")
+end
+
 -- \brief Check if itemstack contains fluid storage
 -- \param itemstack ItemStack
 -- \returns bool