Callbacks with annotations

[ahuang11]

First see:

https://pydeas.readthedocs.io/en/latest/holoviz_interactions/holoviews_to_holoviews.html#Tap-for-update-plot

You mark a spot on the map where there's something interesting going on. This creates a timeseries of that point in space.

After some time, that point is no longer interesting, so you edit that point and move it somewhere else which creates a new timeseries at a new location.

[philippjfr]

Seems like this is something that should be possible to do but not something that we should add special affordances in HoloNote for. In other words HoloNote should be designed in a general/composable way that means this app can be built, i.e. to build this you would:

1. Add a point annotation to the 2D plot
2. Create a dynamic map that watches the 2D annotations and renders a timeseries
3. Add a point 1D annotation to the timeseries DynamicMap.