Added devenv and moved config files

config/shell/sh/001-system-exports.sh

@@ -0,0 +1,12 @@
+export XDG_CACHE_HOME="${XDG_CACHE_HOME:-$HOME/.cache}"
+export XDG_CONFIG_HOME="${XDG_CONFIG_HOME:-$HOME/.config}"
+export XDG_DATA_HOME="${XDG_DATA_HOME:-$HOME/.local/share}"
+
+# editor and vim
+[[ -n "$(command -v nvim)" ]] && {
+  export EDITOR='nvim'
+  export VISUAL='nvim'
+} || {
+  export EDITOR="vim"
+  export VISUAL="vim"
+}