fixup! Show configs from different versions on github pages

Author: ayazhafiz

Configurations.md

@@ -17,9 +17,9 @@ To enable unstable options, set `unstable_features = true` in `rustfmt.toml` or
 
 Below you can find a detailed visual guide on all the supported configuration options of rustfmt.
 
-**_Note that the below list reflects the configuration options available on the latest version of rustfmt in source control. Some newer options may not be available yet in a released version of rustfmt_**
-
+**_Note that the below list reflects the configuration options available on the latest version of rustfmt in source control. Some newer options may not be available yet in a released version of rustfmt._**
 
+For version- and channel-specific configurations, please visit https://rust-lang.github.io/rustfmt/.
 
 ## `array_width`