Add a note on additional libraries that might be needed for the AppIm…

…age (#655)

* Add a note on additional libraries that might be needed for the App Image

README.md

@@ -36,9 +36,11 @@ take a look at the [FAQs](https://dynobo.github.io/normcap/#faqs) or
   (Installer)
 
 #### Linux
-
 - [NormCap-0.5.8-x86_64.AppImage](https://github.com/dynobo/normcap/releases/download/v0.5.8/NormCap-0.5.8-x86_64.AppImage)
   (Binary)
+
+  Note: On some systems, you may need to install additional packages, such as `libxcrypt-compat` or the `FUSE` library for the AppImage to run. See [FAQ](https://dynobo.github.io/normcap/faqs/#linux-appimage-error-while-loading-shared-libraries-libcryptso1) for more details.
+
 - [`normcap` @ AUR](https://aur.archlinux.org/packages/normcap) (Arch/Manjaro)
 - [com.github.dynobo.normcap @ FlatHub](https://flathub.org/apps/details/com.github.dynobo.normcap)
   (FlatPak)