Added notes about the font used in POI marker cards and what to do if you want to change them.
Added notes about the font used in POI marker cards and what to do if you want to change them.

fluidImages/GalaxyExplorer,timGerken/GalaxyExplorer,elitemn/GalaxyExplorer,BrunoCooper17/DannyHoloLens,Battleknucks/GalaxyExplorer