Add /latest.js redirect

Author: Daniel15

_redirects

@@ -12,6 +12,8 @@ layout: null
 /latest.msi        https://github.com/yarnpkg/yarn/releases/download/v{{site.latest_version}}/yarn-{{site.latest_version}}.msi          302
 /latest.deb        https://github.com/yarnpkg/yarn/releases/download/v{{site.latest_version}}/yarn_{{site.latest_version}}_all.deb      302
 /latest.rpm        https://github.com/yarnpkg/yarn/releases/download/v{{site.latest_version}}/yarn-{{site.latest_version}}-1.noarch.rpm 302
+/latest.rpm        https://github.com/yarnpkg/yarn/releases/download/v{{site.latest_version}}/yarn-{{site.latest_version}}-1.noarch.rpm 302
+/latest.js         https://github.com/yarnpkg/yarn/releases/download/v{{site.latest_version}}/yarn-{{site.latest_version}}.js           302
 
 # Nice short URLs for latest RC
 # If Netlify supported regular expressions in their rewrite rules, these could
@@ -21,6 +23,7 @@ layout: null
 /latest-rc.msi        https://github.com/yarnpkg/yarn/releases/download/v{{site.latest_rc_version}}/yarn-{{site.latest_rc_version}}.msi          302
 /latest-rc.deb        https://github.com/yarnpkg/yarn/releases/download/v{{site.latest_rc_version}}/yarn_{{site.latest_rc_version}}_all.deb      302
 /latest-rc.rpm        https://github.com/yarnpkg/yarn/releases/download/v{{site.latest_rc_version}}/yarn-{{site.latest_rc_version}}-1.noarch.rpm 302
+/latest-rc.js         https://github.com/yarnpkg/yarn/releases/download/v{{site.latest_rc_version}}/yarn-{{site.latest_rc_version}}.js           302
 
 # Comparison page to PNPM's benchmark repo
 /compare https://github.com/pnpm/node-package-manager-benchmark 302