Added wait for system tray on start

- Close applications before shutdown/logout/reboot
- Fixed battery check script
- Always display hidden files in ranger
TODO: - Wait for logout/shutdown/reboot until all applications are closed (timeout)

.config/hypr/scripts/wait_for_tray.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+program_name="eww"
+
+check_program_running() {
+    pgrep -x "$program_name" > /dev/null
+}
+
+while ! check_program_running; do
+    sleep 1
+done
+
+sleep 1