changed theme to make docs compile hopefully
changed theme to make docs compile hopefully

EntilZha/ScalaFunctional,lucidfrontier45/ScalaFunctional,ChuyuHsu/ScalaFunctional,EntilZha/ScalaFunctional,EntilZha/PyFunctional,EntilZha/PyFunctional,lucidfrontier45/ScalaFunctional,ChuyuHsu/ScalaFunctional