working on linux build scripts

scripts/clean.sh

@@ -0,0 +1,9 @@
+path_root="$(git rev-parse --show-toplevel)"
+path_backend="$path_root/backend"
+path_build="$path_root/build"
+path_examples="$path_root/examples"
+path_scripts="$path_root/scripts"
+path_thirdparty="$path_root/thirdparty"
+
+if [ -d "$path_build" ]; then rm -rf "$path_build"; fi
+# if [ -d "$path_thirdparty" ]; then rm -rf "$path_thirdparty"; fi