v0.4.1

What's Changed

• Add CI workflow by @alisinabh in #13
• Bump version and publish 0.4.0 by @alisinabh in #15
• Delete config.exs by @shahryarjb in #17
• Update Elixir and Erlang versions in CI config by @alisinabh in #19
• Improve document by @shahryarjb in #20
• Upgrade dialyxir and ex_doc and publish 0.4.1 by @alisinabh in #22

Full Changelog: v0.4.0...v0.4.1