refactor: introduce lightweight hexagonal layout

tests/app.rs

@@ -3,11 +3,10 @@ use axum::{
     http::{Request, StatusCode, header::HeaderName},
 };
 use pokedex_api::{
+    application::PokedexService,
+    clients::{funtranslations::TranslationClient, pokeapi::PokeApiClient},
     http::{AppState, RateLimiter, create_app},
-    pokemon::PokeApiClient,
-    service::PokedexService,
     telemetry::Telemetry,
-    translation::TranslationClient,
 };
 use serde_json::Value;
 use std::time::Duration;