Initial setup of frontend and backend

backend/src/app/api/health.py

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+from fastapi import APIRouter
+
+router = APIRouter(tags=["health"])
+
+
+@router.get("/health")
+async def health_check():
+    """Health check endpoint."""
+    return {"status": "healthy"}
+
+
+@router.get("/")
+async def root():
+    """Root endpoint."""
+    return {"message": "Nuzlocke Tracker API", "docs": "/docs"}

backend/src/app/api/routes.py

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+from fastapi import APIRouter
+
+from app.api import health
+
+api_router = APIRouter()
+api_router.include_router(health.router)

backend/src/app/core/config.py

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+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    model_config = SettingsConfigDict(
+        env_file=".env",
+        env_file_encoding="utf-8",
+        extra="ignore",
+    )
+
+    app_name: str = "Nuzlocke Tracker API"
+    debug: bool = False
+
+    # API settings
+    api_v1_prefix: str = "/api/v1"
+
+    # Database settings (for future use)
+    database_url: str = "sqlite:///./nuzlocke.db"
+
+
+settings = Settings()

backend/src/app/main.py

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+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from app.api.routes import api_router
+from app.core.config import settings
+
+app = FastAPI(
+    title=settings.app_name,
+    openapi_url=f"{settings.api_v1_prefix}/openapi.json",
+    docs_url="/docs",
+    redoc_url="/redoc",
+)
+
+# Configure CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["http://localhost:5173", "http://localhost:3000"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# Include routers
+app.include_router(api_router)
+app.include_router(api_router, prefix=settings.api_v1_prefix)