Enhance meeting template

refactor: update templates to set 110% zoom level

fix: try block was at the wrong level

fix: don't display a dialog on failures; just log them

fix: force Dt to update the record after editing it externally

feat: test if exiftool is installed

fix: to be safe, declare local variables everywhere

refactor: change comment style to my current approach

fix: in case of error, output var in sh() wasn't set

feat: add a prep checklist to the meeting template

docs: minor clarification

feat: add glossary template

docs: use ATX-style headings

chore: rename folder-actions → finder-folder-actions

feat: use "on run" when running outside Dt