Add router to FastAPI for improved route management

- Implemented a new router for organizing API endpoints.
- Registered the router with the main FastAPI app.
- Enhanced modularity and readability of the codebase.

src/main.py

@@ -1,20 +1,12 @@
+from fastapi import FastAPI, HTTPException
 from typing import Annotated
 
-from fastapi import FastAPI, HTTPException
+import src.routers.cards as cards
-
-from src.entities.cards import CARDS
 
 app = FastAPI()
+app.include_router(cards.router, prefix="/cards")
 
 
 @app.get("/")
 async def root():
     return {"message": "Hello World!"}
-
-
-@app.get("/cards/{card}")
-def get_cards(card: str):
-    for key in CARDS:
-        if key in card:
-            return {"cards": CARDS[card]}
-    raise HTTPException(status_code=404, detail="Cards with this type not found")

src/routers/cards.py

@@ -0,0 +1,13 @@
+from fastapi import APIRouter, HTTPException
+
+from src.entities.cards import CARDS
+
+router = APIRouter()
+
+
+@router.get("/{card}")
+async def get_cards(card: str):
+    for key in CARDS:
+        if key == card:
+            return {"cards": CARDS[card]}
+    raise HTTPException(status_code=404, detail="Cards with this type not found")