Switch docs theme to furo

[jschwarzwalder]

Fixes #555

[binny-the-binary-bear[bot]]

Thank you for contributing to PursuedPyBear! Don't forget to add yourself CONTRIBUTORS.md.

[pathunstrom]

Looks great, could you add a commit adding yourself to CONTRIBUTORS.md and we can merge this!

[pathunstrom]

Looks good!

bors r+

[bors[bot]]

Merge conflict.

[pathunstrom]

bors retry

[bors[bot]]

Canceled.

[AstraLuma]

bors try

[bors[bot]]

try

Build succeeded:

• Linux python:3.10-slim
• Linux python:3.7-slim
• Linux python:3.8-slim
• Windows python:3.6-windowsservercore
• Windows python:3.9-windowsservercore
• pep517
• macOS PYTHON:3.9.0
• macOS PYTHON:3.7.9
• macOS PYTHON:3.10.0
• macOS PYTHON:3.8.6
• Linux python:3.6-slim
• Linux python:3.9-slim
• Windows python:3.10-windowsservercore
• Windows python:3.7-windowsservercore
• Windows python:3.8-windowsservercore
• docs
• macOS PYTHON:3.6.12

[pathunstrom]

bors r+

[bors[bot]]

Timed out.

[pathunstrom]

bors retry

[bors[bot]]

Build succeeded:

• docs
• Linux python:3.10-slim
• Linux python:3.6-slim
• Linux python:3.7-slim
• Linux python:3.8-slim
• Linux python:3.9-slim
• macOS PYTHON:3.10.0
• macOS PYTHON:3.6.12
• macOS PYTHON:3.7.9
• macOS PYTHON:3.8.6
• macOS PYTHON:3.9.0
• pep517
• Windows python:3.10-windowsservercore
• Windows python:3.6-windowsservercore
• Windows python:3.7-windowsservercore
• Windows python:3.8-windowsservercore
• Windows python:3.9-windowsservercore