Updates git commands for more interactive session

basics/basics.tex

@@ -39,6 +39,7 @@
   \bigskip
  
   \begin{lstlisting}[language=none, caption=Make a new repository.]
+    $ cd ~/projects
     $ git init
     Initialized empty Git repository in <path>/.git/
   \end{lstlisting}
@@ -193,8 +194,6 @@
   \bigskip
 
   \begin{lstlisting}[language=none, caption=The log of our project.]
-    $ git add README
-    $ git commit
     $ git log
     commit cc61ee7cd72590f3bebcc9e1ff3e9435c7f7dd28
     Author: J.F.J. Laros <j.f.j.laros@lumc.nl>