Add redirects for netlify previews

docs/public/_redirects

@@ -2,6 +2,10 @@
 # Avoid conflicts with the other Next.js apps hosted under https://mui.com/
 /base-ui/_next/* /_next/:splat 301
 
+/base-ui/* /base-ui/:splat 200
+/* https://mui.com/:splat 301
+
+
 # Legacy redirection
 # Added in chronological order (the last line is the most recent one)
 # To be removed 3+ years after being introduced