Add support for Ledger providers for each chain

[Rgascoin]

Currently only those accounts can be instanciated from a web3 provider:

• Solana
  • Ledger device: INS_NOT_SUPPORTED (0x6d00)
• Ethereum
• Avalanche
  • Need a tier-app: https://support.ledger.com/hc/en-us/articles/8005229479069-Set-up-and-use-Core-web-to-access-your-Ledger-Avalanche-AVAX-account?support=true
• Cosmos
  • Arbitrary message signin doesn't seems to exist: Message signing LedgerHQ/ledger-live#1014
• NULS2
• Substrate/Polkadot
  • signer.signRaw signing doesn't work with Ledger Nano X polkadot-js/extension#897