[feat] Implement task management system functionality

[SashankBalusu]

What's new in this PR 🧑‍🌾

Description

The general premise of this sprint was basically to allow the users to properly track harvesting, weeding, and watering tasks.
Without going into the details here are the general implementations:

1. The user will get weekly reminders on when to water. We redisplay the task when there are three days left until one full week has elapsed since the last watering.
2. For weeding, the user either gets biweekly or weekly tasks. Weekly tasks reappear similar to watering tasks, biweekly tasks reappear after 10 days
3. For harvesting, the task appears by season (there's special logic for the winter season that occurs across years). If the task is marked completed, the plant also gets harvested and the associated logic plays out (as long as the user confirms w the confirmation modal)
4. A confirmation modal appears whenever a user unchecks a task.
5. Note: the confirmation modal's buttons are weirdly worded rn, i will fix this by passing in button text as props if this isnt already what Torin's sprint is doing

Screenshots

How to review

1. There are a ton of Supabase columns added with this sprint. IIRC they are plant_name, harvest_season, last_watered, last_weeded, due_date, date_added_to_db, water_frequency, and weeding_frequency, previous_last_watered, and previous_last_weeded
2. Look through the back end functions in dashboard and userPlants
3. Basically all of the logic changes take place in dashboard. There are some comments but honestly the best way to review is probably just to mess around with the code and then just ask me to walk u thru the file bc its a bit of a mess and some of the logic is weird at times!
4. the add details updates are purely to ensure that the database gets the correct information into userplants for the new rows added

Next steps

As Kyle mentioned, it might be better to have a separate tasks table instead of all the additional columns on user plants

Relevant links

Online sources

Related PRs

CC: @kylezryr

[kylezryr]

holy shit massive PR but everything seems to work apart from the bugs i mentioned. you're gonna have to walk me thru the changes too. no styling comments this time since its the next PR but really good job man this works really well good shit

[kylezryr]

works pretty well, haven't run into bugs so far. i think the only issue is with how we are currently setting dates using either new Date() or toISOString. we should try to avoid toISOString wherever possible because it converts the datestring into UTC 0 time, affecting the actual date itself. try using dayjs to avoid this. other than that works really well, good job!

[kylezryr]

notes for the frontend styling PR:

1. tasks div has white background, should match the rest of the page background
   
2. we can get the user's name now using userName from useAuth.
3. add the toast once I merge it too!