feat: updated if statement to check positional argument for force kill if not empty

scripts/kill_user_process.sh

@@ -25,12 +25,12 @@ if [ "$username" = "root" ]; then
 	exit 1
 fi
 
-if [ -k ]; then
+if [ -z $2 ]; then
+  echo "Performing SIGTERM on processes belonging to $username"
+  pkill -u $userId
+elif [ $2 = "-k" ]; then
   echo "Performing SIGKILL on processes belonging to $username"
   pkill -9 -u $userId
-else
-echo "Performing SIGTERM on processes belonging to $username"
-  pkill -u $userId
 fi