add module header for __init__.py

csst_proto/__init__.py

+"""
+Identifier:     csst_proto/__init__.py
+Name:           __init__.py
+Description:    这个文件导入了若干子模块中的函数，Jenkins将检查__all__列表中对象的的代码风格(PEP8, Numpydoc)
+Author:         Bo Zhang
+Created:        2023-10-26
+Modified-History:
+    2023-10-26, Bo Zhang, add module header
+    2023-10-30, Bo Zhang, finalize the __all__ list
+"""
 from .demo import demo_function, DemoClass
 from .flip import flip_image, read_default_image
 from .flip_in_parallel import flip_multiple_images_jl, flip_multiple_images_mp