Check/update RFC1 motifs

[hdashnow]

Looks like there are a few additional motifs to add, see figure 1 in this review paper:
https://www.sciencedirect.com/science/article/pii/S0035378724004843?via%3Dihub#fig0005

[Macayla-weiner]

There were a handful of unknown and one pathogenic motif, which will be added in #324.