Add an animated logo that shows the working of Adaptive

[basnijholt]

Description

Adds a fancy moving logo at a minimal cost of 300 KB.

Checklist

• Fixed style issues using pre-commit run --all (first install using pip install pre-commit)
• pytest passed

Type of change

Check relevant option(s).

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• (Code) style fix or documentation update
• This change requires a documentation update

[codecov-commenter]

Codecov Report

Merging #329 (e7e514e) into master (0a14a9e) will decrease coverage by 0.11%.
The diff coverage is n/a.

❗ Current head e7e514e differs from pull request most recent head d9395e3. Consider uploading reports for the commit d9395e3 to get more accurate results

@@            Coverage Diff             @@
##           master     #329      +/-   ##
==========================================
- Coverage   80.87%   80.75%   -0.12%     
==========================================
  Files          38       38              
  Lines        5051     5051              
  Branches      916      916              
==========================================
- Hits         4085     4079       -6     
- Misses        826      829       +3     
- Partials      140      143       +3     

Impacted Files	Coverage Δ
adaptive/learner/average_learner1D.py	78.88% <0.00%> (-0.75%)	⬇️
adaptive/runner.py	71.02% <0.00%> (-0.71%)	⬇️
adaptive/learner/learner1D.py	89.62% <0.00%> (-0.54%)	⬇️

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[akhmerov]

Why not generate this in jupyter-sphinx instead of creating a separate directive?

[basnijholt]

That is also an option, but I think it would clutter the README.rst file more than this.

[akhmerov]

IIRC jupyter-sphinx directives allow to link a file to read from.