Update r2modman.md

added "--in-process-gpu" to argument list, this change made it work in my case

src/game-support/r2modman.md

@@ -11,7 +11,7 @@
 - Download the standalone executable from [here](https://github.com/ebkr/r2modmanPlus/releases/latest) into your bottle's C-Drive
   - Ensure you're downloading the one named `r2modman-x.x.xx.exe` where `x.x.xx` is the current version of the mod manager.
 - Pin the program and `Right Click > Config`
-- Add `--disable-gpu --no-sandbox` into arguments
+- Add `--disable-gpu --no-sandbox --in-process-gpu` into arguments
 - Add environment variable with key `WINEDLLOVERRIDES` and value `libglesv2=d`
 > [!WARNING]
 > If app opens with a blank screen, check environment variable as it may not get saved in the first try.