This allows one to directly use Diceware-compatible wordlists without having to convert the file to the plain wordlist format.
The accepted formats are described in the Diceware documentation:
https://diceware.readthedocs.io/en/stable/wordlists.html
* Pass correct entropy amount to keepassxc-browser instead of amount of bits for both password and passphrase.
* Rename json key from "login" to "entropy" (keeping "login" key for backwards compatibility).
* Also make some changes to entropy calculation methods:
- Rename PassphraseGenerator::calculateEntropy to estimateEntropy
- Rename PasswordGenerator::calculateEntropy to estimateEntropy
