bash: add bashrc, alias and envs (also add .bashrc for root user)

.chezmoitemplates/bashrc

@@ -0,0 +1,11 @@
+# If not running interactively, don't do anything
+[[ $- != *i* ]] && return
+
+# Set enviroment variables here.
+[[ -f ~/.config/bash/envs ]] && . ~/.config/bash/envs
+
+# Source (read) `alias` file.
+[[ -f ~/.config/bash/alias ]] && . ~/.config/bash/alias
+
+# Customize prompt
+PS1='[\u@\h \W]\$ '