NodeJS function to insert Shopify products.
Environment Variables
SHOPIFY_SHOPNAME: Shopify name like: myshop.myshopify.com
SHOPIFY_APIKEY: Generated Private App API Key
SHOPIFY_PASSWORD: Generated Private App API Password
SHOPIFY_DBURL: MongoDB Url
SHOPIFY_DBNAME: MongoDB Database name
SHOPIFY_COLLECTIONNAME: MongoDB Database Collection name for Shopify Stock
STORE_COLLECTIONNAME: MongoDB Database Collection name for Store Stock