Add Reaction Commerce provider

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

framework/reactioncommerce/utils/queries/get-anonymous-cart.ts

@@ -0,0 +1,11 @@
+import { cartQueryFragment } from '../queries/get-checkout-query'
+
+export const getAnomymousCart = `
+  query anonymousCartByCartIdQuery($cartId: ID!, $cartToken: String!, $itemsAfterCursor: ConnectionCursor) {
+    cart: anonymousCartByCartId(cartId: $cartId, cartToken: $cartToken) {
+      ${cartQueryFragment}
+    }
+  }
+`
+
+export default getAnomymousCart