Add Cloudflare Workers configuration

Author: cloudflare-workers-and-pages[bot]

.gitignore

@@ -4,4 +4,11 @@ public
 resources
 # Local Netlify folder
 .netlify
-TODO
+TODO
+
+# wrangler files
+.wrangler
+.dev.vars*
+!.dev.vars.example
+.env*
+!.env.example