Add Reaction Commerce provider

Signed-off-by: Loan Laux <loan@outgrow.io>

framework/reactioncommerce/utils/mutations/remove-cart-items.ts

@@ -0,0 +1,13 @@
+import { cartPayloadFragment } from '@framework/utils/queries/get-checkout-query'
+
+const updateCartItemsQuantityMutation = `
+  mutation removeCartItemsMutation($input: RemoveCartItemsInput!) {
+    removeCartItems(input: $input) {
+      cart {
+        ${cartPayloadFragment}
+      }
+    }
+  }
+`
+
+export default updateCartItemsQuantityMutation