init working version commit

[emmalu]

Updates include:

• UI refresh
• Layers widget that includes:
  -- Organized Biomass Layers with opacity control
  -- Select Basemap Layers with opacity control
• STAC widget that:
  -- is connected to the MAAP stac catalog (that is currently in transition so not all datasets are available as of 5/5)
  -- automatically searches/matches items per selected collection
  -- checks for COGs and, if valid, allows user to add data to the map
  -- allows the user to change the selected color palette for rendering the selected item (color palettes have been organized into their respective categories for easier navigation)

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[emmalu]

@abarciauskas-bgse @wildintellect

The latest changes include:

• integrating a better Draw Tools UX that aligns with other current design decisions (with output coordinates shown as code)
• COG integration of new JPL Global Above Ground Biomass layers (with the ability to update color palettes)
• synced with main branch changes to ensure successful install / testing from within the ADE environment

cc @heidimok @zacharyDez @edkeeble

[emmalu]

@emileten @jjfrench @abarciauskas-bgse
The package is ready to be installed/tested, following these docs:
MAAP-Project/maap-documentation#190
View Directly in ReviewNB

Use the branch name when installing, in order to see v2 updates:
pip install git+https://github.com/MAAP-Project/stac_ipyleaflet.git@dev/wug-map-refresh#egg-info=stac_ipyleaflet

cc @wildintellect

[jjfrench]

The revamped UI looks ✨! Just a few questions/comments

• The histogram feature doesn't seem to be accessible, I wasn't in the project kickoff meeting but was this discussed as something to remove? (What Draw and Layers were originally used for)
• Should users only be allowed to draw one bounding box? I'm able to draw more than one; the draw tool gets stuck on "release mouse to finish drawing" when I attempt to draw a second bbox.
• There's no way to "change opacity"/remove a STAC item - issue when trying to display a STAC item and Biomass layer in the same region
• Minor: Selecting a collection populates the items, selecting the item dropdown shows the first item selected but the dropdown value isn't set. Maybe deselect the first item in the dropdown or fill the dropdown value to the first item in the list?
• Minor: Displaying an item on the map attempts to center the map on the STAC item but often the overlay ends up behind the widget. Maybe an offset to center the map a little farther right?
• Minor: Several of the Biomass layers use zoom >= 8 but the current zoom level isn't shown.

[wildintellect]

• The histogram feature doesn't seem to be accessible, I wasn't in the project kickoff meeting but was this discussed as something to remove? (What Draw and Layers were originally used for)

Moved to future scope for re-implementation.

[jjfrench]

A little unintended, but the default text "is_displayable". I think that's probably fine though?

[jjfrench]

Reviewed the widget's features - looks good for 0.2.0!