feat: add wallet token endpoints

[alfonsobries]

Summary

Depends on #142

https://app.clickup.com/t/86e00w0td

Checklist

• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[alfonsobries]

@alexbarnsley updated and im also added a ticket for updating the docs with the method name that you proposed https://app.clickup.com/t/86e09e60q nvm just realized you were just suggesting the snake_case convention, not pointing out an error on the docs