zshenv: Modify the ripgrep alias to pipe ripgrep into bat

As long as [0] is not resolved use a workaround in form of an alias to
use pipe the ripgrep output into bat.

[0]: https://github.com/BurntSushi/ripgrep/issues/86

.zshenv

@@ -15,7 +15,7 @@ alias chgrp='chgrp --preserve-root'
 alias pgrep='pgrep -a'
 alias less='less -r'
 alias grep='grep --color=always -n'
-alias rg='rg -n'
+alias rg='rg_bat() {rg -n -p $@ | bat};rg_bat'
 alias diff='diff --color=always'
 alias mkdir='mkdir -p -v'
 alias ping='ping -c 10'