Talk slides

I finally found a way that LibreOffice doesn't cut pieces out of the slides for my talk

LFMF: how a CREATE INDEX CONCURRENTLY led to a 6 hour downtime

at FOSDEM PgDay 2023.

Strangely, exporting them as PDF bloats them to a whopping 23MB, so please get LibreOffice to watch them. Apart from some quirks, it's really good! ;-)