Initial work, copied from the Shopify provider

framework/saleor/utils/queries/get-all-collections-query.ts

@@ -0,0 +1,14 @@
+const getSiteCollectionsQuery = /* GraphQL */ `
+  query getSiteCollections($first: Int!) {
+    collections(first: $first) {
+      edges {
+        node {
+          id
+          title
+          handle
+        }
+      }
+    }
+  }
+`
+export default getSiteCollectionsQuery