is there any way to import keys to the web wallet?
No there isnt, but we are getting the Electrum wallets out fast, then you can import. Full node wallet is the only way before that... You can ofcourse use things like these but its at your own risk:
https://github.com/ymgve/bitcoin_fork_claimeryeah, ive claimed many a fork with ymgve's script; its a great tool but if you have a lot of small transactions it can get a little tedious to track them all
