amalthea-ldc2-devel from home:OS-18 project

For Fedora 39 run the following as root:

dnf config-manager --add-repo https://download.opensuse.org/repositories/home:OS-18/Fedora_39/home:OS-18.repo
dnf install amalthea-ldc2-devel

For openSUSE Tumbleweed run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:OS-18/openSUSE_Tumbleweed/home:OS-18.repo
zypper refresh
zypper install amalthea-ldc2-devel

For 15.5 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:OS-18/15.5/home:OS-18.repo
zypper refresh
zypper install amalthea-ldc2-devel

For 15.4 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:OS-18/15.4/home:OS-18.repo
zypper refresh
zypper install amalthea-ldc2-devel