...

How do I add library files if I am not studying human or mouse?

We To add a new assembly, click on Settings> Settings -> Library files. From the Assembly drop-down list, select Add assembly. Specify a species, if you can't find the species name in the list, choose Other, type in species name and assembly version (you might have multiple assembly versions on one species, e.g. hg19 and hg38 assembly version on Homo Sapiens. You need to add reference file which is a .fasta file containing sequence information. Once the reference file is add, you can build any aligner index to perform alignment task. 

...