syntax highlighting for geo and pro files

.gitattributes

+*.geo gitlab-language=cpp
+*.pro gitlab-language=cpp

Electrostatics/microstrip.pro

@@ -221,7 +221,7 @@ Resolution {
       { Name Sys_Ele; NameOfFormulation Electrostatics_v; }
     }
     Operation {
-      Generate[Sys_Ele]; Solve[Sys_Ele]; SaveSolution[Sys_Ele];
+      Generate[Sys_Ele]; Solve[Sys_Ele]; Print[Sys_Ele]; SaveSolution[Sys_Ele];
     }
   }
 }
@@ -280,6 +280,7 @@ PostOperation {
   { Name Map; NameOfPostProcessing EleSta_v;
      Operation {
        Print [ v, OnElementsOf Dom_Hgrad_v_Ele, File "mStrip_v.pos" ];
+       Print [ e, OnElementsOf Dom_Hgrad_v_Ele, File "mStrip_e.pos" ];
        Echo[ StrCat["l=PostProcessing.NbViews-1;",
 		    "View[l].IntervalsType = 3;",
 		    "View[l].NbIso = 40;"],