Fixed order input to accept quantity along with item name

[pulkitsapra]

Fixes #5

example input in JSON after the fix .

{
	"items":[
		  {
		  	"name":"potato",
		   	"qty": 5
		  },
		  {
		  	"name":"tomato",
		   	"qty": 5
		  }
	]
}

[DiptoChakrabarty]

Thanks for the contributions , merged .
If you like the project please do star it , I will be working on this more and also might put up further issues that I wish to implement .