añadido boton para desseleccionar imagen + un preview de la imagen

seleccionada

src/lib/utils.ts

@@ -11,3 +11,14 @@ export type WithoutChild<T> = T extends { child?: any } ? Omit<T, 'child'> : T;
 export type WithoutChildren<T> = T extends { children?: any } ? Omit<T, 'children'> : T;
 export type WithoutChildrenOrChild<T> = WithoutChildren<WithoutChild<T>>;
 export type WithElementRef<T, U extends HTMLElement = HTMLElement> = T & { ref?: U | null };
+
+export function filtrarImagen(file) {
+  if (file) {
+		const allowed = ['image/png', 'image/jpg', 'image/jpeg', 'image/gif', 'image/webp'];
+		if (allowed.includes(file.type)) {
+			return file;
+		} else{
+      return null;
+		}
+	}
+}