updates:

* toncells.org landing card has been updated, now it contains basic information as well as project history and links
* v2 toncells moved to app.toncells.org + fixed some bugs with loading onchain data via dTON
* old original v1 toncells moved to old.toncells.org

! toncells v1 was archived !
disabled the ability to connect wallet and buy new v1 nfts. removed the ability to edit v1 cells. disabled backend. from now on all cell data will be stored directly on the frontend. so, there is no backend for toncells v1 as well as for toncells v2