📝 Add new link to Input Remapper guide

Author: Schneegans

src/content/docs/opening-menus.mdx

@@ -85,7 +85,7 @@ Most of them are free and open-source.
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    * [fusuma](https://github.com/iberianpig/fusuma) together with it's [sendkey plugin](https://github.com/iberianpig/fusuma-plugin-sendkey?tab=readme-ov-file) can be used to open a Kando menu with touchpad or touchscreen gestures. It works on **X11** and **Wayland**.
-   * [Input Remapper](https://github.com/sezanzeb/input-remapper) is a tool which allows you to remap mouse buttons to keyboard shortcuts. It works both on **X11 and Wayland**.
+   * [Input Remapper](https://github.com/sezanzeb/input-remapper) is a tool which allows you to remap mouse buttons to keyboard shortcuts. It works both on **X11 and Wayland**. While you can use it directly to bind menus to mouse buttons via keyboard shortcuts, it also allows for more advanced setups like showing menus when pressing two mouse buttons at the same time. [Here is a guide!](https://github.com/orgs/kando-menu/discussions/1183)
    * [Touchegg](https://github.com/JoseExposito/touchegg#readme) is a multitouch gesture recognizer for Linux. You can use it to open a Kando menu with touchpad gestures. It only works on **X11**.
    * **KDE Plasma** comes with built-in support for remapping mouse buttons to keyboard shortcuts. You can find [this feature](https://www.phoronix.com/news/KDE-Rebind-Extra-Mouse-Buttons) in the system settings under "System Settings" / "Mouse & Touchpad" / "Add Binding".
    * There's a [Configurable Button](https://store.kde.org/p/1297839/) widget for **KDE Plasma** which allows running `kando --menu "menu name"` when clicked.