feature(nano): add initial config script

nano-config.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+
+# This script installs syntax highlighting only for shell scripts
+# It is ment to be used on fresh Uberspaces
+
+mkdir ~/.nano
+cat << 'end_of_content' > ~/.nano/sh.nanorc
+## Syntax highlighting for Bourne shell scripts.
+## UBERSPACE EDITION (compatible with nano 2.3.1)
+
+syntax "sh" "(\.sh|(\.|/)(a|ba|c|da|k|mk|pdk|tc|z)sh(rc|_profile)?|/(etc/|\.)profile)$"
+header "^#!.*/((env\s+)?((a|ba|c|da|k|mk|pdk|tc|z)?sh)|busybox\s+sh|openrc-run|runscript)\>"
+header "-\*-.*shell-script.*-\*-"
+magic "(POSIX|Bourne-Again) shell script.*text"
+#comment "#"
+
+#linter dash -n
+
+# Function declarations.
+color brightgreen "^[A-Za-z0-9_-]+\(\)"
+
+# Keywords, symbols, and comparisons.
+color green "\<(break|case|continue|do|done|elif|else|esac|exit|fi|for|function|if|in|read|return|select|shift|then|time|until|while)\>"
+color green "\<(declare|eval|exec|export|let|local)\>"
+color green "[{}():;|`$<>!=&\\]" "(\]|\[)"
+color green "-(eq|ne|gt|lt|ge|le|ef|ot|nt)\>"
+
+# Short and long options.
+color brightmagenta "[[:blank:]]-[A-Za-z]\>" "[[:blank:]]--[A-Za-z-]+\>"
+
+# Common commands.
+color brightblue "\<(awk|cat|cd|ch(grp|mod|own)|cp|cut|echo|env|grep|head|install|ln|make|mkdir|mv|popd|printf|pushd|rm|rmdir|sed|set|sort|tail|tar|touch|umask|unset)\>"
+#color normal "[.-]tar\>"
+
+# Basic variable names (no braces).
+color brightred "\$[-0-9@*#?$!]" "\$[[:alpha:]_][[:alnum:]_]*"
+# More complicated variable names; handles braces and replacements and arrays.
+color brightred "\$\{[#!]?([-@*#?$!]|[0-9]+|[[:alpha:]_][[:alnum:]_]*)(\[([[:space:]]*[[:alnum:]_]+[[:space:]]*|@)\])?(([#%/]|:?[-=?+])[^}]*\}|\[|\})"
+
+# Comments.
+color cyan "(^|[[:space:]])#.*"
+
+# Strings.
+color brightyellow ""(\\.|[^"])*"" "'(\\.|[^'])*'"
+
+# Trailing whitespace.
+color ,green "[[:space:]]+$"
+end_of_content
+
+cat << end_of_content >> ~/.nanorc
+include "~/.nano/sh.nanorc"
+end_of_content