modified create project to take into account app dir existance (#58)

Author: richhl

bin/create-project.sh

@@ -12,6 +12,9 @@ if [ "$#" -lt 1 ]; then
     exit 1
 fi
 
+#if app dir exists then backup it with timestamp
+[ ! -d "$CODE_DIR" ] || mv "$CODE_DIR" "$CODE_DIR".$(date +%Y%m%d%H%M%S);
+
 mkdir -p -- "$CODE_DIR/"
 chmod 777 "$CODE_DIR/"
 
@@ -39,4 +42,4 @@ case "$1" in
         ;;
 esac
 
-touch -- "$CODE_DIR/.gitkeep"
+touch -- "$CODE_DIR/.gitkeep"