Log Message:
misc/wthrr: update to 0.5.0

What's New
 - new configuration options
   - add forecasts by default
   - configurable precipitation units and time format
   - configurable border & graph styles
   - check the README's config section for details

What's Changed
 - forecast as option instead of being a sub-comand (6cf0ab1)
   - forecast is now accessed without flags e.g.,: -f w | -f d | -f w,d.
     Not possible anymore is e.g., -f -w, or -f solely.
 - remove greeting -g CLI flag to be a "config-file-only" option with gui
   styles (a95d433).