Adding FEdora Linux install info. Tested and working on Fedora 37.

readme.md

@@ -50,6 +50,13 @@ sudo dpkg -i sdrpp_debian_amd64.deb
 
 If `libvolk2-dev` is not available, use `libvolk1-dev`.
 
+### Fedora Linux
+As of Fedora34, there is a Fedora Linux package avaiable. You can install it by running this:
+
+```sh
+sudo dnf install sdrpp
+```
+
 ### Arch-based
 
 Install the latest release from the [sdrpp-git](https://aur.archlinux.org/packages/sdrpp-git/) AUR package