Missing TokenIntrospection in examples project

[peppelinux]

It would be better to have it :)

[rohe]

example/flask_op do have an introspection endpoint.
Don't know which example project you are talking about.

[peppelinux]

Configuration have token introspection endpoint but flash_op example doesn't handle this in its views

[peppelinux]

done here:
4286cc8