feat: add backend FastAPI structure and Supabase schema

server/app/main.py

@@ -0,0 +1,48 @@
+"""
+Punto de entrada de la aplicación.
+Ejecutar con:  uvicorn app.main:app --reload
+"""
+import logging
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from app.api.routes.eta_router import router as eta_router
+from app.api.routes.auth_router import router as auth_router
+from app.api.routes.addresses_router import router as addresses_router
+from app.api.routes.guide_router import router as guide_router  # ← IMPORTANTE: agregar esta línea
+from app.core.config import settings
+from app.db.database import init_db
+
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
+)
+
+app = FastAPI(
+    title=settings.app_name,
+    version="0.1.0",
+    description="API de notificación inteligente de recolección de residuos",
+)
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+@app.on_event("startup")
+async def startup():
+    init_db()
+    logging.info("Base de datos inicializada ✓")
+
+# Include routers
+app.include_router(auth_router, prefix="/auth", tags=["Authentication"])
+app.include_router(addresses_router, prefix="/addresses", tags=["Addresses"])
+app.include_router(eta_router, tags=["ETA / Simulador"])
+app.include_router(guide_router, tags=["Recycling Guide"]) 
+
+@app.get("/health", tags=["Health"])
+async def health():
+    return {"status": "ok", "app": settings.app_name}