Add cancel button handling

scripts/bootstrap.sh

@@ -24,7 +24,7 @@ startRice() {
 
     ./scripts/linkFiles.sh
 
-    # clear
+    clear
 }
 
 startRice

scripts/linkFiles.sh

@@ -15,6 +15,9 @@ linkFile() {
             ln -s "$1" "$2"
         else
             selectedOption=$(dialog --menu "File already exists: $(basename "$1"), what would you like to do?" 10 60 0 1 "Skip" 2 "Skip all" 3 "Overwrite" 4 "Overwrite all" 5 "Backup" 6 "Backup all" 3>&1 1>&2 2>&3 3>&1)
+            if [ "$selectedOption" = "" ]; then
+                exit 0
+            fi
 
             if [ $selectedOption -eq 1 ]; then
                 return