Add Hector materials created for the GCAM 2023 annual meeting

[kdorheim]

Describe development

Adding links to the new documentation videos and jypter notebook created for the GCAM 2023 meeting, addresses #706.

Type of development

• PATCH: minor changes (e.g., documentation or bug fixes)

Checklist

• Roxygen where applicable but also thorough and coherent inline documentation
• Unit tests when applicable
• Complies with the Hector code style guide
• The PR passes automated testing suite

[github-actions]

Differences in Hector outputs

Hello, this is leeyabot! 🤖

The current pull request's outputs do not differ from 3.0.0 (9aebf67).

[codecov-commenter]

Codecov Report

Merging #710 (e4f26fc) into dev (941dc8d) will not change coverage.
The diff coverage is 0.00%.

❗ Current head e4f26fc differs from pull request most recent head 97469e0. Consider uploading reports for the commit 97469e0 to get more accurate results

@@           Coverage Diff           @@
##              dev     #710   +/-   ##
=======================================
  Coverage   79.72%   79.72%           
=======================================
  Files          61       61           
  Lines        5978     5978           
=======================================
  Hits         4766     4766           
  Misses       1212     1212           

Impacted Files	Coverage Δ
src/temperature_component.cpp	92.32% <0.00%> (ø)

[github-actions]

Differences in Hector outputs

Hello, this is leeyabot! 🤖

The current pull request's outputs do not differ from 3.0.0 (9aebf67).