Added USITools-0.2.3.ckan
Added USITools-0.2.3.ckan

Courtesy of the NetKAN.

References KSP-CKAN/CKAN-meta#10

Kerbas-ad-astra/CKAN-meta,DMagic1/CKAN-meta,mgsdk/CKAN-meta,pjf/CKAN-meta,ToxicFrog/CKAN-meta,Dazpoet/CKAN-meta,RichardLake/CKAN-meta,jwest23/CKAN-meta