v0.53.1

• Add Ecdsa to the supported crypto types options (Thanks to https://github.com/akru)
• Add Egedware to network prefix settings (Thanks to https://github.com/jnaviask)
• Add addMultisig into keyring (with all options to re-create address)
• Bump to @polkadot/api 1.14.1
• Bump to @polkadot/util 2.10.1