update README

scripts/get-kanji-level.ts

@@ -61,11 +61,11 @@ async function makeWaniKaniKanjiLevels(opts: { cache?: boolean } = {}) {
   return levelMap;
 }
 
-export async function makeKanjiLevels() {
+export async function makeKanjiLevels(opts: { useBeyond: boolean }) {
   const wk = await makeWaniKaniKanjiLevels({ cache: true });
-  const beyond = yaml.load(
-    readFileSync('assets/beyond.yaml', 'utf-8'),
-  ) as ILevelMap;
+  const beyond = opts.useBeyond
+    ? (yaml.load(readFileSync('assets/beyond.yaml', 'utf-8')) as ILevelMap)
+    : {};
 
   const kanjiToLevel = new Map<
     string,