added example.py

README.md

@@ -118,6 +118,7 @@ The `csst_proto` uses an awesome algorithm based on `numpy.ndarray` indices to f
 - Numpydoc: https://numpydoc.readthedocs.io/en/latest/format.html
   - for C: https://peps.python.org/pep-0007/
   - for Python: https://peps.python.org/pep-0008/
+    - example.py: https://numpydoc.readthedocs.io/en/latest/example.html#example
 - `unittest`: https://docs.python.org/3.8/library/unittest.html
 - gitlab CI/CD pipeline: https://docs.gitlab.com/ee/ci/pipelines/
 - gitlab runners: https://docs.gitlab.com/runner/

examples/how_to_write_docstring.py

@@ -34,5 +34,10 @@ def cos(x: float = 0.) -> float:
     Notes
     -----
     this function is a warpper of `numpy.cos()`
+
+    Conf
+    ----
+    https://numpydoc.readthedocs.io/en/latest/example.html#example
+
     """
     return np.cos(x)