add gamepad_battery & gamepad_battery_icon params to readme

README.md

@@ -355,6 +355,8 @@ Parameters that are enabled by default have to be explicitly disabled. These (cu
 | `battery_color`                    | Change the BATT text color                                                            |
 | `force_amdgpu_hwmon`               | Use hwmon sysfs instead of libdrm for amdgpu stats                                    |
 | `fps_only`                         | Show FPS without the engine name e.g. DXVK/VULAKAN etc.                               |
+| `gamepad_battery`                  | Display battey of wireless gamepads (xone,xpadneo,ds4)                                |
+| `gamepad_battery_icon`             | Display gamepad battery percent with icon. *enabled by default                        |
 Example: `MANGOHUD_CONFIG=cpu_temp,gpu_temp,position=top-right,height=500,font_size=32`
 Because comma is also used as option delimiter and needs to be escaped for values with a backslash, you can use `+` like `MANGOHUD_CONFIG=fps_limit=60+30+0` instead.
 

bin/MangoHud.conf

@@ -77,6 +77,8 @@ cpu_stats
 ### Display battery information
 # battery
 # battery_icon
+# gamepad_battery
+# gamepad_battery_icon
 
 ### Display FPS and frametime
 fps