log the execution of the initialising message

src/mpsd_software_manager/mpsd_software.py

@@ -1106,7 +1106,13 @@ def initialize_environment(root_dir: Path) -> None:
         # create the init file
         init_file.touch()
         # note the execution in the execution summary log
-        # record_script_execution_summary() TODO
+        # create the log file and fill it with the headers
+        record_script_execution_summary(root_dir=root_dir)
+        # record the msg in the log file
+        record_script_execution_summary(
+            root_dir=root_dir,
+            msg=f"Initialising MPSD software instance at {os.getcwd()}.",
+        )
 
 
 def main():