TMSS-134: Adapt TMSS to use a local OpenID Connect identity provider, add pyop example code

SAS/TMSS/src/tmss/settings.py

SAS/TMSS/src/tmss/urls.py

SAS/TMSS/test/oidc/create-keycloak-user.sh

SAS/TMSS/test/oidc/example/README.md

SAS/TMSS/test/oidc/example/__init__.py

...MSS/test/oidc/example/__pycache__/__init__.cpython-34.pyc

SAS/TMSS/test/oidc/example/__pycache__/app.cpython-34.pyc

SAS/TMSS/test/oidc/example/__pycache__/views.cpython-34.pyc

SAS/TMSS/test/oidc/example/__pycache__/wsgi.cpython-34.pyc

SAS/TMSS/test/oidc/example/app.py

SAS/TMSS/test/oidc/example/application.cfg

SAS/TMSS/test/oidc/example/https.crt

SAS/TMSS/test/oidc/example/https.key

SAS/TMSS/test/oidc/example/requirements.txt

SAS/TMSS/test/oidc/example/signing_key.pem

SAS/TMSS/test/oidc/example/templates/logout.jinja2

SAS/TMSS/test/oidc/example/views.py

SAS/TMSS/test/oidc/example/wsgi.py

SAS/TMSS/test/oidc/realm-export.json

SAS/TMSS/test/oidc/tmss_keycloak_Dockerfile