links to source files added

docs.it4i/software/viz/insitu.md

@@ -17,6 +17,14 @@ The Catalyst library is part of the ParaView module. More about ParaView can be
 
 All code concerning the simulator/adaptor is available to download from [here][code]. It is a package with the following files: [CMakeLists.txt][cmakelist_txt], [FEAdaptor.h][feadaptor_h], [FEAdaptor.cxx][feadaptor_cxx], [FEDataStructures.h][fedatastructures_h], [FEDataStructures.cxx][fedatastructures_cxx], [FEDriver.cxx][fedriver_cxx] and [feslicescript.py][feslicescript].
 
+
+
+```{r engine='bash', comment=''}
+cat insitu/CMakeLists.txt
+```
+
+
+
 After the download unpack the code by
 
 ```console