How to design a Google spreadsheet so that when you add a value to cell A1, it shifts to the cell below?

Question

Google Sheets

How to design a Google spreadsheet so that when a value is added to cell A1, it would be shifted to a cell below A2 and the next time a new value was added to cell A1, the value would also be shifted to a cell below and shift what was already in its place? That is, the new added value was shifted to A2 and its old value was shifted to a cell below A3, and so on ad infinitum I


will immediately ask you to explain in a simpler way)
Thank you!

Answer 1

via google app script
simple check with below line insert

Answer 2

Because it has an error. Need to debug.