feat: log in with tumblr

Foxnouns.Frontend/src/routes/settings/auth/add-tumblr/+page.server.ts

@@ -0,0 +1,12 @@
+import { apiRequest } from "$api";
+import { redirect } from "@sveltejs/kit";
+
+export const load = async ({ fetch, cookies }) => {
+	const { url } = await apiRequest<{ url: string }>("GET", "/auth/tumblr/add-account", {
+		isInternal: true,
+		fetch,
+		cookies,
+	});
+
+	redirect(303, url);
+};