refactor: decouple email and ethers/wagmi packages

[ignaciosantise]

Summary

• Decouple email package from scaffold, wagmi and ethers.
• Added extraConnectors prop in ethers defaultConfig to match wagmi package api

[ignaciosantise]

SonarCloud is taking a file that i moved to another folder as duplicated code 🤔

[sonarcloud[bot]]

Quality Gate failed

Failed conditions
8.3% Duplication on New Code (required ≤ 3%)

See analysis details on SonarCloud