minor formatting change

2019/2019-10-10_advancedGitTraining-SIU/slides/gettingStarted.md

 # Getting Started
 
-Fork and then clone the tutorial repository
-<a href="https://github.com/LCSB-BioCore/advanced-git-practice">https://github.com/LCSB-BioCore/advanced-git-practice</a>
+* Fork and then clone the tutorial repository
+  <a href="https://github.com/LCSB-BioCore/advanced-git-practice">https://github.com/LCSB-BioCore/advanced-git-practice</a>
 
-```bash
-$ git clone git@github.com:<first.last>/advanced-git-practice.git
-```
+    ```bash
+    $ git clone git@github.com:<first.last>/advanced-git-practice.git
+    ```
 
 * Add a remote `upstream`
     ```bash