[Feature] Allow to add more monero accounts

[vexvec]

Is your feature request related to a problem? Please describe. I'd like to add multiple monero accounts like it is possible for other currencies like bitcoin.

Describe the solution you'd like Possibility to add more xmr accounts if one already exists.

Describe alternatives you've considered Managing the other accounts outside of onekey

Community & Quick support

• Community Forum. Best for: help with building, discussion about best practices.
• Discord. Best for: sharing your ideas and hanging out with the community.

Additional context Add any other context or screenshots about the feature request here.