6-circle examples

[prjemian]

Derive some 6-circle examples (rely on the 4-circle example).

• 6-circle data: https://github.com/prjemian/ipython-vm7/blob/master/profile_bluesky/startup/instrument/devices/example_orient1.txt
• 6-circle tardis: https://github.com/prjemian/ipython-vm7/blob/master/profile_bluesky/startup/instrument/devices/hklpy_examples/hklpy/tardis_example.ipynb
• 4-circle data: https://github.com/prjemian/ipython-vm7/blob/master/profile_bluesky/startup/instrument/devices/example_orient2.txt
• 4-circle Mn3O4/MgO thin film: https://github.com/prjemian/ipython-vm7/blob/master/profile_bluesky/startup/instrument/devices/hklpy_examples/fourc-example.ipynb and https://github.com/prjemian/ipython-vm7/blob/master/profile_bluesky/startup/instrument/devices/hklpy_examples/calc_fourc-example.ipynb
• kappa: https://github.com/prjemian/ipython-vm7/tree/master/profile_bluesky/startup/instrument/devices/hklpy_examples/wip

_Originally posted by @prjemian in https://github.com/BCDA-APS/use_bluesky/issues/69#issuecomment-696533295_

[prjemian]

Better to contribute these to the hklpy project documentation.

[prjemian]

See https://blueskyproject.io/hklpy/examples/index.html