feat(medusa, medusa-js, medusa-react): Add endpoint to retrieve product tags from the storefront (#3051)

packages/medusa-react/mocks/handlers/store.ts

@@ -1,5 +1,5 @@
-import { fixtures } from "../data"
 import { rest } from "msw"
+import { fixtures } from "../data"
 
 export const storeHandlers = [
   rest.get("/store/products", (req, res, ctx) => {
@@ -550,4 +550,15 @@ export const storeHandlers = [
       )
     }
   ),
+
+  rest.get("/store/product-tags", (req, res, ctx) => {
+    return res(
+      ctx.status(200),
+      ctx.json({
+        product_tags: fixtures.list("product_tag", 10),
+        limit: 5,
+        offset: 0,
+      })
+    )
+  }),
 ]