1.8.0

What's Changed

• feat: use gokart worker by @hiro-o918 in #402
• chore(deps): bump tornado from 6.4.1 to 6.4.2 by @dependabot in #407
• update readthedocs setting by @kitagry in #408
• doc: add sphinx-rtd-theme by @kitagry in #409
• doc: link mypy_plugin.rst from index.rst by @kitagry in #410
• feat: add serializable parameter by @hiro-o918 in #411
• docs: add description about gokart.SerializableParameter by @hiro-o918 in #412
• feat: make worker skip running task when it is completed by @hiro-o918 in #406

Full Changelog: 1.7.0...1.8.0