add padding function to imgScalePadding()

.CondaPkg/env/bin/pybase64

@@ -0,0 +1,8 @@
+#!/root/.julia/dev/ImageUtils/.CondaPkg/env/bin/python3.11
+# -*- coding: utf-8 -*-
+import re
+import sys
+from pybase64.__main__ import main
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())