Intro & syllabus

This MR modifies the readme, adds a syllabus and base slides to match it.

content/gitlab-ci-yml.md

+## Configurations: gitlab-ci.yml 
+
+- Choose a directory on you machine easy to access
+- Create a workspace or development directory
+- This is where we'll be working and adding content
+
+----------
+
+```
+mkdir ~/development
+cd ~/development
+
+-or-
+
+mkdir ~/workspace
+cd ~/workspace  
+```