chore: update zsh for gem

zsh/zshrc

@@ -56,6 +56,8 @@ plugins=(git svn)
 # User configuration
 
 export PATH="/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl:/bin/:${PATH}"
+export GEM_HOME="$(ruby -e 'puts Gem.user_dir')"
+export PATH="$PATH:$GEM_HOME/bin"
 # export MANPATH="/usr/local/man:$MANPATH"
 
 source $ZSH/oh-my-zsh.sh
@@ -168,3 +170,4 @@ alias ST='speedtest-cli'
 alias mutt='TERM=xterm-256color; neomutt'
 #alias UM='imapfilter; offlineimap'
 alias home='ssh -p 2222 moe@home.comprofix.com'
+