Add note to README that the repo is unmaintained

README.md

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-`xone` is a Linux kernel driver for Xbox One and Xbox Series X|S accessories. It serves as a modern replacement for `xpad`, aiming to be compatible with Microsoft's *Game Input Protocol* (GIP).
-
-## Compatibility
-
-- [x] Wired devices (via USB)
-- [x] Wireless devices (with Xbox Wireless Dongle)
-- [ ] Bluetooth devices (check out [`xpadneo`](https://github.com/atar-axis/xpadneo))
-
-Installing `xone` will disable the `xpad` kernel driver. If you are still using Xbox or Xbox 360 peripherals, you will have to install [`xpad-noone`](https://github.com/medusalix/xpad-noone) as a replacement for `xpad`.
-
-## Important notes
-
-This driver is still in active development. Use at your own risk!
-If you are running `xow` upgrading to `xone` is *highly recommended*!
-Always update your Xbox devices to the latest firmware version!
-**Any feedback including bug reports, suggestions or ideas is [*greatly appreciated*](https://discord.gg/FDQxwWk).**
-
-## Features
-
-- [x] Input and force feedback (rumble)
-- [x] Battery reporting (`UPower` integration)
-- [x] LED control (using `/sys/class/leds`)
-- [x] Audio capture/playback (through `ALSA`)
-- [x] Power management (suspend/resume and remote/wireless wakeup)
-
-## Supported devices
-
-- [x] Gamepads
-    - [x] Xbox One Controllers
-    - [x] Xbox Series X|S Controllers
-    - [x] Xbox Adaptive Controller
-    - [x] Third party controllers (PowerA, PDP, etc.)
-- [x] Headsets
-    - [x] Xbox One Chat Headset
-    - [x] Xbox One Stereo Headset (adapter or jack)
-    - [x] Xbox Wireless Headset
-    - [x] Third party wireless headsets (SteelSeries, Razer, etc.)
-- [x] Guitars & Drums
-    - [x] Mad Catz Rock Band 4 Wireless Fender Stratocaster
-    - [x] Mad Catz Rock Band 4 Wireless Drum Kit
-    - [x] PDP Rock Band 4 Wireless Fender Jaguar
-- [x] Xbox One Chatpad
-- [ ] Third party racing wheels (Thrustmaster, Logitech, etc.)
-
-## Releases
-
-[![Packaging status](https://repology.org/badge/vertical-allrepos/xone.svg)](https://repology.org/project/xone/versions)
-
-Feel free to package `xone` for any Linux distribution or hardware you like.
-Any issues regarding the packaging should be reported to the respective maintainers.
-
-## Installation
-
-### Prerequisites
-
-- Linux (kernel 5.13+ and headers)
-- DKMS
-- curl (for firmware download)
-- cabextract (for firmware extraction)
-
-### Guide
-
-1. Unplug your Xbox devices.
-
-2. Clone the repository:
-
-```
-git clone https://github.com/medusalix/xone
-```
-
-3. Install `xone`:
-
-```
-cd xone
-sudo ./install.sh
-```
-
-**NOTE:** You can use the `--release` flag to disable debug logging.
-
-4. Download the firmware for the wireless dongle:
-
-```
-sudo xone-get-firmware.sh
-```
-
-**NOTE:** The `--skip-disclaimer` flag might be useful for scripting purposes.
-
-5. Plug in your Xbox devices.
-
-### Updating
-
-Make sure to completely uninstall `xone` before updating:
-
-```
-sudo ./uninstall.sh
-```
-
-## Wireless pairing
-
-Xbox devices have to be paired to the wireless dongle. They will not automatically connect to the dongle if they have been previously plugged into a USB port or used via Bluetooth.
-
-Instructions for pairing your devices can be found [here](https://support.xbox.com/en-US/help/hardware-network/controller/connect-xbox-wireless-controller-to-pc) (see the section on *Xbox Wireless*).
-
-## LED control
-
-The guide button LED can be controlled via `sysfs`:
-
-```
-echo 2 | sudo tee /sys/class/leds/gip*/mode
-echo 5 | sudo tee /sys/class/leds/gip*/brightness
-```
-
-Changing the LED in the above way is temporary, it will only last until the device disconnects. To apply these settings automatically when a device connects, you can create a new `udev` rule in `/etc/udev/rules.d/50-xone.rules` with the following content:
-
-```
-ACTION=="add", SUBSYSTEM=="leds", KERNEL=="gip*", ATTR{mode}="2", ATTR{brightness}="5"
-```
-
-Replace the wildcard (`gip*`) if you want to control the LED of a specific device.
-The modes and the maximum brightness can vary from device to device.
-
-## Troubleshooting
-
-Uninstall the release version and install a debug build of `xone` (see installation guide).
-Run `sudo dmesg` to gather logs and check for any error messages related to `xone`.
-If `xone` is not being loaded automatically you might have to reboot your system.
-
-### Error messages
-
-- `Direct firmware load for xow_dongle.bin failed with error -2`
-    - Download the firmware for the wireless dongle (see installation guide).
-
-### Input issues
-
-You can use `evtest` and `fftest` to check the input and force feedback functionality of your devices.
-
-### Other problems
-
-Please join the [Discord server](https://discord.gg/FDQxwWk) in case of any other problems.
-
-## License
-
-`xone` is released under the [GNU General Public License, Version 2](LICENSE).
-
-```
-Copyright (C) 2021 Severin von Wnuck-Lipinski
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-```
+# This repository is no longer actively maintained; please use the [maintained fork](https://github.com/dlundqvist/xone).