Raster intro

[rogerkuou]

• replace the crs exercise with visualizing NIR band
• replace the aspect exercise with inspecting the order of bands
• add a description of overview w.r.t. the GDAL doc

[github-actions]

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Rendered Changes

🔍 Inspect the changes: https://github.com/carpentries-incubator/geospatial-python/compare/md-outputs..md-outputs-PR-183

The following changes were observed in the rendered markdown documents:

 06-raster-intro.md              |  89 ++++++++++++++++++++++++++++++++--------
 fig/E06/rhodes_nir_80.png (new) | Bin 0 -> 150317 bytes
 md5sum.txt                      |   2 +-
 3 files changed, 73 insertions(+), 18 deletions(-)

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⏱️ Updated at 2026-04-14 12:30:55 +0000

[rogerkuou]

Hi @fnattino can you review this PR for me? Thanks!