Deprecate geojupyterviz and update intro tutorial

[wang-boyu]

• add deprecation warning to GeoJupyterViz
• update intro tutorial to use Mesa's Solaraviz and Mesa-Geo's make_geospace_leaflet
• format intro tutorial using black

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.54%. Comparing base (ce501b6) to head (d95d1ad).
Report is 69 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #255      +/-   ##
==========================================
- Coverage   78.21%   73.54%   -4.67%     
==========================================
  Files          10       10              
  Lines         693      858     +165     
  Branches      151      132      -19     
==========================================
+ Hits          542      631      +89     
- Misses        127      194      +67     
- Partials       24       33       +9     

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[EwoutH]

Agree with deprecating the old viz, and thanks for updating the tutorial. Bit difficult to review due tot all the whitespace changes, but is looks good.

Really appreciated!

[tpike3]

LGTM