Everything we need / want to track about the dog

• poos
• house training transgressions
• weight
• vaccinations
• flea / worm stuff

Data structure

All dates and times are going to be stored as posix. We'll sort out later what to do about the charts and DST etc.

poos: posix[],
woopsies: posix[],
weights: { posix, weight }[],
schedule: ???