Hi @Ouns87
The UseGalaxy.eu may have this genome indexed already, so check there first.
Or, the fastest way to incorporate this reference genome at the AU or ORG servers is to use it as a custom reference genome. That can be promoted to a custom build to create a custom database “metadata” key that can be assigned to datasets as needed. The input is a simple fasta file. Make sure to get the matching reference annotation at the same time to avoid problems later on.
This prior Q&A has links to the “how-to”. You can click on the tags to find more examples in different contexts. Custom genome + custom build: How to use a genome that is not natively indexed at the server you are working at - #2 by jennaj
The AU server admins can also comment, but as far as I know, new reference genomes will be indexed sometime later this year for all three UseGalaxy.* servers. ping @igor