docs: reopen domain redirection

Author: Timeless0911

website/docs/public/netlify.toml

@@ -1,9 +1,9 @@
 # Redirect lib.rsbuild.rs to rslib.rs
-# [[redirects]]
-# from = "https://lib.rsbuild.rs/*"
-# to = "https://rslib.rs/:splat"
-# status = 301
-# force = true
+[[redirects]]
+from = "https://lib.rsbuild.rs/*"
+to = "https://rslib.rs/:splat"
+status = 301
+force = true
 
 [[redirects]]
 from = "/*"