Implement all functionality of reports module for mobile platforms

go-jwt seems to not be maintained really. It has open/known security issue (which have multiple PRs open to address, earliest in 2018: dgrijalva/jwt-go#286). And it requires numbers to be floats because it cannot validate ints. [PR to fix this has been made](https://github.com/dgrijalva

I've read the docs, and it seems you can pass through knex instances, but I didn't see if it supports SQLite3 - could you clarify please?

Here's inspiration: nuxt-community/auth-module#328 (comment)