feat(auth): add ApiKeyServiceImpl — moves sha256 hashing out of presentation

crates/adapters/auth/src/lib.rs

@@ -1,3 +1,5 @@
+mod api_key_service;
+
 use async_trait::async_trait;
 use chrono::{Duration, Utc};
 use domain::{
@@ -8,6 +10,8 @@ use domain::{
 use jsonwebtoken::{decode, encode, DecodingKey, EncodingKey, Header, Validation};
 use serde::{Deserialize, Serialize};
 
+pub use api_key_service::ApiKeyServiceImpl;
+
 #[derive(Serialize, Deserialize)]
 struct Claims {
     sub: String,