update instructions

app/README.md

@@ -9,16 +9,15 @@
 ## Local Dev
 
     bun install
-    mkdir -p ~/nose/{bin,www}
     bun dev
 
 ## Commands
 
 Commands can return one of three types:
 
-- string
-- { error: string }
-- { html: string }
+- `string`
+- `{ error: string }`
+- `{ html: string }`
 
 They can also `throw` to display an error.