{plugins, [rebar3_hex]}.

{project_plugins, [rebar3_ex_doc]}.

{hex, [{doc, ex_doc}]}.

{ex_doc, [
          {source_url, <<"https://github.com/aerosol/gen_cycle">>},
          {extras, [<<"README.md">>]},
          {main, <<"README.md">>}]}.