Add export to support Elixir/Erlang history

Greg Lazarev · Greg Lazarev · commit b5c26215a104 · 2017-08-29T10:04:28.000-07:00
[Sourced from this](https://til.hashrocket.com/posts/is9yfvhdnp-enable-history-in-iex-through-erlang-otp-20-)
diff --git a/zsh/configs/history.zsh b/zsh/configs/history.zsh
@@ -2,3 +2,5 @@ setopt hist_ignore_all_dups inc_append_history
 HISTFILE=~/.zhistory
 HISTSIZE=4096
 SAVEHIST=4096
+
+export ERL_AFLAGS="-kernel shell_history enabled"
