Migrate to MariaDB backend and fix bed management

- Switch from SQLite to MariaDB for database backend
- Fix bed state updates on admission (iniciarInternacion)
- Fix bed updates on admission edit (actualizarInternacion)
- Fix bed updates on discharge (finalizarInternacion): delete if fuera de area, mark available otherwise
- Fix NuevoIngreso to wait for cama creation before creating internacion
- Fix patient undefined check in Cultivos
- Update CORS to allow all origins
- Remove unused files

server/api-mariadb.js

@@ -19,7 +19,10 @@ import { initDb,
 } from './db-mariadb.js';
 
 const app = express();
-app.use(cors());
+app.use(cors({
+  origin: true,
+  credentials: true
+}));
 app.use(express.json({ limit: '50mb' }));
 
 // UUID generator