Remove decimal nan/inf formatting attempts; fix walkthrough example 3D

Fix load_design IFrame ref

Update walkthrough

Merge branch 'main' of github.com:daniel-fink/rangekeeper

Downgrade to jupyter book <2.0; move assets to "_static"

Fix a duration type translation issue

Adapt Walkthrough to new rk versions and Speckle APIs

Migrate to new Speckle API; fix issues with graph; minor fixes

Fix bug with resampling single-period Flow

Merge pull request #31 from daniel-fink/develop

Fix durations; flow resampling; formatting. Update deps

Fix issues with Flow resampling for Streams. Replace Flow.invert() with .negate()

ver

Replace SEMIMONTH Type with BIWEEK (fortnight)

Fix pint percent units