Replaces Koin's get() get() get()

[libec]

Take a look to see if there's another way to register services, as get() get() get() feels a bit odd.

https://github.com/libec/ynab-kmm-api/blob/8a87ea89218d8de226e0c385f2b7928b4964a046/shared/src/commonMain/kotlin/scopes/Scopes.kt#L38-L62