Update preview image

ryyppy · ryyppy · commit c19690a96152 · 2021-02-10T18:06:24.000+01:00
diff --git a/_blogposts/2021-02-09-release-9-0.mdx b/_blogposts/2021-02-09-release-9-0.mdx
@@ -1,7 +1,7 @@
 ---
 author: hongbo
 date: "2021-02-09" 
-previewImg:
+previewImg: https://res.cloudinary.com/dmm9n7v9f/image/upload/v1612974395/Reason%20Association/rescript-lang.org/compiler_release_9_0_szd11o.jpg
 category: compiler
 title: ReScript 9.0
 badge: release
