Import pose

[samuelbray32]

Description

Resolves #1222

• Makes new table ImportedPose
• Inserts during insert_sessions
• has functions to fetch dataframe compatible with Moseq Pipeline #1056
• add ndx-pose to package dependencies

Todo:

• update docs
• test insert_sessions populates the pose when database up

Checklist:

• N This PR should be accompanied by a release: (yes/no/unsure)
• NA If release, I have updated the CITATION.cff
• N This PR makes edits to table definitions: (yes/no)
• NA If table edits, I have included an alter snippet for release notes.
• If this PR makes changes to position, I ran the relevant tests locally.
• I have updated the CHANGELOG.md with PR number and description.
• I have added/edited docs/notebooks to reflect the changes