message: Trying to fix readme markdown in github.
diff: +```text
  _ _ _
  | | (_) |
  __| | ___ ___ ___ _ __ _| |__ ___
  / _` |/ _ \/ __|/ __| '__| | '_ \ / _ \
  | (_| | __/\__ \ (__| | | | |_) | __/
  \__,_|\___||___/\___|_| |_|_.__/ \___|
  +```
  describe is a python package for creating machine learning descriptors for atomistic systems.
  