New climate data notebook

[cbur24]

Proposed changes

The ERA5 climate notebook that is currently in the repo references data that has long since been depreciated. This PR removes the old ERA5 notebook and modules, and replaces it with a new notebook that shows how to stream Australian-specific climate data from the NCI using THREDDS, and how to stream global climate reanalysis data using Google's 'analysis ready' ERA5 collection.

Closes issues (optional)

This PR address several 'cards' in the DEA-Notebooks community project. Related to #1267

Checklist

If this is a notebook, then have you:

• Checked the structure of the notebook follows our DEA-notebooks template
• Removed any unused Python packages from Load packages
• Removed any unused/empty code cells
• Removed any guidance cells (e.g. General advice)
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• Included relevant tags in the final notebook cell (refer to the DEA Tags Index, and re-use tags if possible)
• Tested notebook on the DEA Sandbox
• Cleared all outputs, run notebook from start to finish, and save the notebook in the state where all cells have been sequentially evaluated
• If applicable, update the Notebook currently compatible with line below the notebook title to reflect the environments the notebook is compatible with
• Check for any spelling mistakes using the DEA Sandbox's built-in spellchecker (double click on markdown cells then right-click on pink highlighted words). For example:

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[GL-S]

This is a useful notebook!

I have modified the part where the THREDDS URLs are retrieved.

I was not able to run the resampling to annual sum on a 2-years datacube because of memory errors. So the notebook now takes only one year as input.

However, I have also provided an alternative notebook that still uses 2 years, but resamples them one at the time when plotting the maps. I have included it so you could have a look, but feel free to remove it if you prefer the one-year notebook