feat: compile systemInit and inject to autoExec

api/scripts/systemInit.sas

@@ -0,0 +1,15 @@
+/**
+  @file
+  @brief The systemInit program
+  @details This program is inserted into every sasjs/server program invocation,
+  _before_ any user-provided content.
+
+  <h4> SAS Macros </h4>
+  @li mcf_stpsrv_header.sas
+
+**/
+
+
+proc fcmp outcat=work.sasjs.utils;
+%mcf_stpsrv_header()
+quit;