fix: configurable path to solution for 06 in Fininshing section

slides/creators/Finishing_and_Execution.tex

@@ -33,7 +33,7 @@ \subsection{Running the final Workflow}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{frame}[fragile]
   \frametitle{Our ``final'' Workflow}
-  \footnotesize{Refer to \pathtosolutions{06_Snakefile} as the workflow solution, so far.}
+  \footnotesize{Refer to \altverb{<++course.pathtosolutions++>/06_Snakefile} as the workflow solution, so far.}
   \vspace{-1em}
   \begin{columns}
     \begin{column}{0.5\textwidth}