v0.5.3

This release addresses the following:

• connection pool bug: see #12
• use poetry for packaging and publishing
• use github pages for docs

Bump v0.5.0 -> v0.5.1

• fixes a bug in the actions release workflow: secret formatting

Bump v0.5.1 -> v0.5.2

• fixes a bug in the actions release workflow: docs .nojekyll

Bump v0.5.2 -> v0.5.3

• update pyproject.toml for v0.5.3