Move yash configuration to the .config directory

.config/yash/profile

@@ -0,0 +1 @@
+../../.profile

.config/yash/rc

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+# Firstly, load the common customization script.
+. --autoload --no-alias initialization/common
+
+# Undo some standard configuration.
+export YASH_PS1='${LOGNAME}@${HOSTNAME%%.*}[$(date +%k:%M)]: '\
+'${${${PWD:/~/\~}##*/}:-$PWD} ${{SHLVL-0}:/1}\$ '
+export YASH_PS1R='${{?:/0/}:+\\fr.$?\\fd. }'
+unset -f sh
+
+# Clear the screen with Ctrl-L.
+bindkey --emacs '\^L' clear-and-redraw-all
+bindkey --vi-insert '\^L' clear-and-redraw-all
+bindkey --vi-command '\^L' clear-and-redraw-all
+
+# Programming environment.
+command -v rbenv >/dev/null 2>&1 && eval "$(rbenv init -)"
+
+command -v fastfetch >/dev/null 2>&1 && fastfetch
+
+read_project_env() {
+	test -x .env.sh && . .env.sh || true
+}
+read_project_env
+
+YASH_AFTER_CD="read_project_env"
+# vim: set ft=sh: