fix(docs-next): Legacy email redirect (#2249)

Author: abovedave

packages/stacks-docs-next/_redirects

@@ -4,7 +4,7 @@ https://beta.stackoverflow.design/*              https://stackoverflow.design/:s
 
 
 # Email section → v2 docs
-/email*                                         https://v2.stackoverflow.design/email:splat     302
+/email/*                                         https://v2.stackoverflow.design/email:splat     302
 
 # Redirects from v2 urls
 /product                                        /system/develop/using-stacks/                   302