Update project description to include RHEL

project-description.md

@@ -1,12 +1,12 @@
-We want to provide you with the most recent and successful builds of [LLVM](https://www.llvm.org) for Fedora in a "rolling" fashion. That means, if you enable this repository, you should get new releases for LLVM frequently.
+We want to provide you with the most recent and successful builds of [LLVM](https://www.llvm.org) for Fedora and RHEL in a "rolling" fashion. That means, if you enable this repository, you should get new releases for LLVM frequently.
 
 ### Fedora versions and architectures
 
-We build for the following architectures and operating systems, but please notice that this list changes when new Fedora versions are being released.
+We build for the following architectures and operating systems, but please notice that this list changes when new Fedora/RHEL versions are being released.
 
 ```console
-$ copr list-chroots | grep -P '^fedora-(rawhide|[0-9]+)' | tr '\n' ' '
-fedora-38-aarch64 fedora-38-i386 fedora-38-ppc64le fedora-38-s390x fedora-38-x86_64 fedora-39-aarch64 fedora-39-i386 fedora-39-ppc64le fedora-39-s390x fedora-39-x86_64 fedora-rawhide-aarch64 fedora-rawhide-i386 fedora-rawhide-ppc64le fedora-rawhide-s390x fedora-rawhide-x86_64
+$ copr list-chroots | grep -P '^(fedora-(rawhide|[0-9]+)|rhel-[8,9]-)' | sort |  tr '\n' ' '
+fedora-39-aarch64 fedora-39-i386 fedora-39-ppc64le fedora-39-s390x fedora-39-x86_64 fedora-40-aarch64 fedora-40-i386 fedora-40-ppc64le fedora-40-s390x fedora-40-x86_64 fedora-rawhide-aarch64 fedora-rawhide-i386 fedora-rawhide-ppc64le fedora-rawhide-s390x fedora-rawhide-x86_64 rhel-8-aarch64 rhel-8-s390x rhel-8-x86_64 rhel-9-aarch64 rhel-9-s390x
 ```
 
 ### Incubator projects