feat: create route to search for titles

Summary:

Test Plan:

src/controllers/search/anilist.ts

@@ -0,0 +1,43 @@
+import { graphql } from "gql.tada";
+import { GraphQLClient } from "graphql-request";
+
+const SearchQuery = graphql(`
+  query Search($query: String!, $page: Int!) {
+    Page(page: $page) {
+      media(search: $query, type: ANIME, sort: [POPULARITY_DESC, SCORE_DESC]) {
+        id
+        title {
+          userPreferred
+          english
+        }
+        coverImage {
+          extraLarge
+          large
+          medium
+        }
+      }
+      pageInfo {
+        hasNextPage
+      }
+    }
+  }
+`);
+
+export async function fetchSearchResultsFromAnilist(
+  query: string,
+  page: number,
+) {
+  const client = new GraphQLClient("https://graphql.anilist.co/");
+
+  return client
+    .request(SearchQuery, { page, query })
+    .then((data) => data?.Page)
+    .then((page) => {
+      if (!page || page.media?.length === 0) {
+        return undefined;
+      }
+
+      const { media: results, pageInfo } = page;
+      return { results, hasNextPage: pageInfo?.hasNextPage };
+    });
+}