Add_Tracking App v.0.5
The App uploads tracking numbers from CSV file into Shopify API and Paypal API

CSV File with Orders:

The CSV file should have the format below:
TF46682,GB12345678X,FEDEX or
TF46682,GB12345678X,OTHER,Royal Mail

-if the Order status is Fulfilled then it just uploads the tracking number
-if the Order status is Unfulfilled then it adds the tracking number and makes it Fulfilled