Add a tutorial showing how to read data using xpystac

[jsignell]

Related Issue(s):

• Convenience methods for converting STAC objects / linked assets to data containers #846

Description:
This new tutorial demonstrates how to read data into xarray objects.

PR Checklist:

• pre-commit hooks pass locally
• Tests pass (run scripts/test)
• Documentation has been updated to reflect changes, if applicable
• This PR maintains or improves overall codebase code coverage.
• Changes are added to the CHANGELOG. See the docs for information about adding to the changelog.

I don't think this needs a changelog since it's just adding a notebook, but happy to add if needed.

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (334c4c4) 91.17% compared to head (187a1b7) 91.17%.

❗ Current head 187a1b7 differs from pull request most recent head 7eb3aa0. Consider uploading reports for the commit 7eb3aa0 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1146   +/-   ##
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  Coverage   91.17%   91.17%           
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  Files          49       49           
  Lines        6626     6626           
  Branches      978      978           
=======================================
  Hits         6041     6041           
  Misses        410      410           
  Partials      175      175           

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[ircwaves]

Awesome! No need for re-review after quote injection.