Updated example files to mention the arguments more prominently

Duplicati/Library/Modules/Builtin/run-script-example.bat

@@ -11,6 +11,7 @@ REM --run-script-before = <filename>
 REM --run-script-before-required = <filename>
 REM --run-script-timeout = <time>
 REM --run-script-after = <filename>
+REM --run-script-arguments = <arguments>
 REM 
 REM --run-script-before = <filename>
 REM Duplicati will run the script before the backup job and waits for its 

Duplicati/Library/Modules/Builtin/run-script-example.sh

@@ -11,6 +11,7 @@
 # --run-script-before-required = <filename>
 # --run-script-timeout = <time>
 # --run-script-after = <filename>
+# --run-script-arguments = <arguments>
 #
 # --run-script-before = <filename>
 # Duplicati will run the script before the backup job and waits for its