fleshed out UI for multi-index functions
fleshed out UI for multi-index functions

mikarubi/thunder,kcompher/thunder,broxtronix/thunder,pearsonlab/thunder,oliverhuangchao/thunder,thunder-project/thunder,zhwa/thunder,kunallillaney/thunder,j-friedrich/thunder,oliverhuangchao/thunder,kcompher/thunder,pearsonlab/thunder,j-friedrich/thunder,kunallillaney/thunder,zhwa/thunder,poolio/thunder,broxtronix/thunder,poolio/thunder,jwittenbach/thunder,mikarubi/thunder