Adding a jupyter notebook with WPS client examples?

[cehbrecht]

Description

We can add a notebook with curl/OWSLib/Birdy examples on how to use this demo service.

See a birdy demo:
https://nbviewer.jupyter.org/github/bird-house/birdy/blob/v0.6.5/notebooks/demo/agu2018_demo.ipynb

Environment

• operating system:
• Python version:
• PyWPS version:
• source/distribution
• git clone
• Debian
• PyPI
• zip/tar.gz
• other (please specify):
• web server
• Apache/mod_wsgi
• CGI
• other (please specify):

Steps to Reproduce

Additional Information

See also #57.