chore: movi el getPosts a hooks/ y le agrege un header

src/lib/hooks/getPosts.ts

@@ -0,0 +1,17 @@
+import { apiBase } from "@/stores/url";
+import { sesionStore } from "@/stores/usuario";
+import { get } from "svelte/store";
+
+export async function getPosts() {
+
+
+	const req = await fetch(`${get(apiBase)}/timeline?pageSize=20`,{
+	headers: {
+	Authorization: `Bearer ${get(sesionStore)?.accessToken}`
+
+	}
+	});
+	if (req.ok) {
+		return await req.json();
+	}
+}