Adds a butler manager script.

Extras/Scripts/butler_manager.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+# butler managing command
+
+file=upload_destination.txt
+directories=("HTML5" "Linux" "Windows" "MacOS")
+channels=("html5" "linux" "win" "osx")
+
+# Check if the file exists
+if [ ! -e $file ]; then
+    # File doesn't exist, create an empty one
+    touch $file
+fi
+
+# File exists, read the first line into a variable
+read -r destination < $file
+
+if [ -z "$destination" ]; then
+    # File is empty, prompt the user for input
+    echo "Please enter the build destination (username/project-url-after-slash)."
+    read -r user_input
+
+    # Save user input to the file
+    echo "$user_input" > "$file"
+    echo "Destination saved to $file."
+    destination="$user_input"
+fi
+
+# Check for the existence of directories and print mapped strings
+for ((i=0; i<${#directories[@]}; i++)); do
+    dir="${directories[i]}"
+    channel="${channels[i]}"
+
+    if [ -d "$dir" ]; then
+        echo butler push ./$dir/ $destination:$channel
+        butler push ./$dir/ $destination:$channel
+    else
+        echo "Directory '$dir' does not exist."
+    fi
+done