[Feature request] [bm] Adding data for previous day

[amrSamir]

Hi,
Thank you for building https://bm.taskratchet.com/, I really like it and am using it constantly.
The main thing I am missing from it (and therefore need to open beeminder website often) is adding a datapoint for previous day.

If possible, adding a dropdown for date (or something similar)

next to the box for data entry?

Context: I have too many goals, and sometimes when something is close to beemergency I realize I had already done it a day or 2 ago and just need to enter the datapoint for then.