improve structure; move stuff to relevant folders

scripts/legacy-sway/add-144hz-mode.sh

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+#!/bin/bash
+# Script to add 144Hz mode to Sway
+# Based on the xrandr command: xrandr --newmode "2560x1440_144.00_rb2" 586.59 2560 2568 2600 2640 1440 1529 1537 1543 +hsync -vsync
+
+echo "Adding 144Hz mode to Sway..."
+
+# Add the custom mode using modeline (same timing as xrandr)
+swaymsg output HDMI-A-1 modeline "2560x1440_144.00_rb2" 586.59 2560 2568 2600 2640 1440 1529 1537 1543 +hsync -vsync
+
+# Set the mode
+swaymsg output HDMI-A-1 mode 2560x1440_144.00_rb2
+
+echo "144Hz mode should now be active. Check with: swaymsg -t get_outputs"