feat: Add Senpai configuration files and highlight script.

- Add new files and configuration settings for Senpai prox.lunax.cloud
- Include a shell script to highlight notifications in Senpai configuration
- Update omitted file changes not shown in diff summary

config/senpai/highlight

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+escape() {
+	printf "%s" "$1" | sed 's#\\#\\\\#g'
+}
+
+if [ "$BUFFER" = "$SENDER" ]; then
+    title="[$BUFFER]"
+else
+    title="[$BUFFER] $SENDER"
+fi
+
+# focus=$(swaymsg -t get_tree | jq -r '..|objects|select(.focused==true)|.name' | grep -c ^senpai)
+
+#if [ "$focus" -eq 0 ] || [ "$HERE" -eq 0 ]; then
+	notify-send "$title" "$(escape "$MESSAGE")"
+# fi

config/senpai/senpai.scfg

@@ -0,0 +1,15 @@
+# to be used with https://github.com/ptrcnull/kouhai
+address prox.lunax.cloud:6667
+nickname lunax
+username lunax
+tls false
+password-cmd secret-tool lookup irc lunax
+typings false
+pane-widths {
+  nicknames 0
+  channels 24
+  members 0
+}
+colors {
+  unread "#00ffff"
+}