feat(klipper): check for required user-groups

Signed-off-by: Dominik Willner <th33xitus@gmail.com>

kiauh/utils/constants.py

@@ -9,6 +9,9 @@
 #  This file may be distributed under the terms of the GNU GPLv3 license  #
 # ======================================================================= #
 
+import os
+import pwd
+
 from pathlib import Path
 
 # text colors and formats
@@ -19,6 +22,9 @@ COLOR_RED = "\033[91m"  # bright red
 COLOR_CYAN = "\033[96m"  # bright cyan
 RESET_FORMAT = "\033[0m"  # reset format
 
+# current user
+CURRENT_USER = pwd.getpwuid(os.getuid())[0]
+
 SYSTEMD = "/etc/systemd/system"
 
 KLIPPER_DIR = f"{Path.home()}/klipper"