v4.0.2.521
Merge in ADGUARD-IOS/adguard-ios from new_strings to master * commit '70b663b2429be1e1814ff2b5a8fc1bee270c6197': new strings
Merge in ADGUARD-IOS/adguard-ios from new_strings to master * commit '70b663b2429be1e1814ff2b5a8fc1bee270c6197': new strings