To update 'light' databases, create the full version

   library(Organism.dplyr)
   library(TxDb.Hsapiens.UCSC.hg38.knownGene)
   src_organism(TxDb.Hsapiens.UCSC.hg38.knownGene, "/tmp/light.hg38.knownGene.sqlite")

then trim using the files in this directory

    sqlite3 /tmp/light.hg38.knownGene.sqlite < make-mini-entrez.sql

