[feature request] calendar picker for navigating the timeline

[Kevin-Hamilton]

It would be nice to have a calendar picker for navigating the timeline, to allow you to quickly jump the focus within the current zoom level to today, or any other day you choose. You could also consider allowing to choose a date range, and then not only would the focus jump to the beginning of that range, but the zoom would also automatically adjust so the entire range is visible.

[kochrt]

See here, #84 (comment), added a dialog to type the range you want to jump to in markwhen syntax. Will add a picker at some point too. It doesn't adjust the zoom scale to match what you select though (yet)

[kochrt]

Added an option to either scroll only or zoom and scroll