fix: source shopify handle duplicate unique values and more efficient updates (#1154)

* fix: added functionality to handle duplicate sku, ean, upc, and barcodes on product variants

* handle unique variant values

* save

* clear ignored keys in redis

* fixed plugin to handle duplicates and use last build time to make queries more effective

* v1.1.1-canary.0

* removed console log

* v1.1.1-canary.1

* reduce amounts of calls to shopify api

* v1.1.1-canary.2

* added README and support for SmartCollections

* v1.1.1-canary.4

* v1.1.1-canary.5

* v1.1.1-canary.5

* fix dropped products in smart collections

* cleanup

Co-authored-by: Sebastian Rindom <skrindom@gmail.com>

packages/medusa-source-shopify/jest.config.js

@@ -0,0 +1,3 @@
+module.exports = {
+  testEnvironment: "node",
+}