Syntax Highlighting with nano - nanorc for rcfiles

From NAS-Tweaks

### all *rc files  ( e.g. .bashrc, inputrc, xtermcontrol .... )
syntax "rcfiles" "\rc$" "(\.|/|)control$"
color red "'(\\.|[^'])*'"
color blue ""(\\.|[^\"])*""
color magenta "[A-Z0-9\_]+="
color magenta "\<(sudo)\>"
color cyan "\<(alias)\>"
color brightcyan "\<(export)\>"
color yellow "\<(shopt)\>"
color brightred "\<(umask)\>.*$"
color green "#.*$"