Replace spaces with underline in subject script

scripts/.local/share/scripts/subject

@@ -1,6 +1,5 @@
 #!/bin/sh
 
-
 if [ $# -lt 2 ]; then
 	echo "Usage: subject <subject name> <subject type>"
 	echo "subject type 0: programming"
@@ -11,10 +10,11 @@ fi
 name=$1
 type=$2
 
-mkdir -p "$name"/Labs
-mkdir -p "$name"/Exercises
-touch "$name"/.project
+formatted_name=$(echo "$name" | tr -s ' ' '_')
+mkdir -p "$formatted_name"/Labs
+mkdir -p "$formatted_name"/Exercises
+touch "$formatted_name"/.project
 
 if [ "$type" -eq 0 ]; then
-	mkdir -p "$name"/Code
+	mkdir -p "$formatted_name"/Code
 fi