Add Instapainting.com to users section.

Instapainting.com is using Rescript to render its new front end stack, which is currently being used on some top search landing pages and the Ukrainian artists page.

Author: Chris Chen

public/static/lp/instapainting.svg

@@ -151,4 +151,9 @@ let companies = [
     url: "https://bettervim.com/",
     path: "/static/lp/bettervim.svg",
   }),
+  Logo({
+    name: "Instapainting.com",
+    url: "https://www.instapainting.com/",
+    path: "/static/lp/instapainting.svg",
+  }),
 ]