* CW-688 Store Seed and keys in .keys file
* CW-688 Open wallet from keys in .keys file and migrate wallets using the old file
* CW-688 Open wallet from keys in .keys file and migrate wallets using the old file
* CW-688 Restore .keys file from .keys.backup
* CW-688 Restore .keys file from .keys.backup
* CW-688 Move saving .keys files into the save function instead of the service
* CW-688 Handle corrupt wallets
* CW-688 Handle corrupt wallets
* CW-688 Remove code duplication
* CW-688 Reduce cache dependency
* wrap any file reading/writing function with try/catch [skip ci]
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Co-authored-by: Konstantin Ullrich <konstantinullrich12@gmail.com>