added settings API + fixed bug (#62)

* added settings API + fixed bug

* removed redundant API funcs

* comment clarifications

---------

Co-authored-by: Wyatt <wyatt@modrinth.com>

theseus/src/api/mod.rs

@@ -2,6 +2,7 @@
 pub mod auth;
 pub mod profile;
 pub mod profile_create;
+pub mod settings;
 
 pub mod data {
     pub use crate::state::{
@@ -15,6 +16,6 @@ pub mod prelude {
         auth::{self, Credentials},
         data::*,
         profile::{self, Profile},
-        profile_create, State,
+        profile_create, settings, State,
     };
 }