Plant water reminders and jour

Invalid date

Minor update, before my vacation 😃

FEATURES:
- Add plant description when creating or editing it
- Add plant scientific name when creating or editing it
- 1024 chars limit instead of 512 for journals
- Change default notifications times in settings
- Press to view images in larger format (journal / plant details)
- Download images

FIXES:
- "postpone" times not displaying correctly in graphs for pro users