v0.20.0

What's Changed

• feat: support dynamic piecewise-linear counts by @mtth in #135
• feat: update client factory methods by @mtth in #137
• refactor: reorganize source files by @mtth in #138
• feat: allow specifying default client endpoint by @mtth in #139
• docs: update client creation docstring by @mtth in #140
• build: update release workflow by @mtth in #141

Full Changelog: v0.19.2...v0.20.0rc3