fix bad markdown in readme

Author: SethTisue

README.md

@@ -104,6 +104,7 @@ Here, `{{ site.baseurl }}` is a site-wide variable that represents the root dire
 On every commit to the `scala/scala-lang` repository a [jenkins job](https://scala-webapps.epfl.ch/jenkins/view/All/job/production_scala-lang.org-builder/) will generate the site using jekyll and copy the resulting files to the webserver. **NOTE**: the `rsync` of this job also deletes whatever is in the webserver directory **with explicit exceptions**: we need to keep the files listed below. Kind of a hack.
 
 There are additional files on the webserver:
+
   - Subdirectory `scala-lang.org/old` is a static copy of the old website. It was generated once and copied there, and it stays like that.
   - Most of the files in `/home/linuxsoft/archives/scala/` (on chara, accessible through ssh with your LAMP account) are synchronized to the subdirectory `scala-lang.org/files/archive` by another [hourly jenkins job](https://scala-webapps.epfl.ch/jenkins/view/All/job/production_scala-lang.org-scala-dist-archive-sync/). This folder is used by the nightly and release jenkins jobs to publish scala releases:
     - distribution files (tarballs etc) in `/`