Run leafcutter based on BipSeq

[lahuuki]

sQTL analysis with Leafcutter using genotype data from previous Lieber eQTL experiments

• [x] 1. Convert .count files to .junc files
• [x] 2. Cluster introns
• [x] 3. Generate a normalized ratio matrix
• [x] 4. Generate genotype VCF and covariates
• [x] 5. Run tensorQTL with new data

[lahuuki]

Re-run with filtered JXN data based on conversation on 6/8/23