added niri config with waybar, rip, nvim update, brightness sh

scripts/scripts/niri_br_reset.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+STATE_FILE="$HOME/.cache/brightness_state"
+TEMP_FILE="$HOME/.cache/bluelight_state"
+
+TEMP=$(cat "$TEMP_FILE" 2>/dev/null || echo "6500")
+
+pkill -9 gammastep
+gammastep -O $TEMP -b 1.0 &>/dev/null &
+
+echo "1.0" >"$STATE_FILE"
+notify-send "Brightness" "100%" -t 1000