feat: create route to return title information

Summary:

Test Plan:

src/controllers/title/anilist.ts

@@ -0,0 +1,32 @@
+import { graphql } from "gql.tada";
+import { GraphQLClient } from "graphql-request";
+
+import type { Title } from "~/types/title";
+
+import { MediaFragment } from "./mediaFragment";
+
+const GetTitleQuery = graphql(
+  `
+    query GetTitle($id: Int!) {
+      Media(id: $id) {
+        ...Media
+      }
+    }
+  `,
+  [MediaFragment],
+);
+
+export async function fetchTitleFromAnilist(
+  id: number,
+  token: string | undefined,
+): Promise<Title | undefined> {
+  const client = new GraphQLClient("https://graphql.anilist.co/");
+  const headers = new Headers();
+  if (token) {
+    headers.append("Authorization", `Bearer ${token}`);
+  }
+
+  return client
+    .request(GetTitleQuery, { id }, headers)
+    .then((data) => data?.Media ?? undefined);
+}