Adding @aaybob notes about prerequisites (#480)
Adding @aaybob notes about prerequisites (#480)

Per https://github.com/openaps/docs/pull/475 plus some formatting changes
Jieseldeep/docs,danamlewis/docs,Pazoles/docs,openaps/docs,jbwittmer/docs,dakago/docs,danamlewis/docs,sarahspins/docs