feat: MiruroAPI v1.0.0 - Free anime streaming API

- 16 API endpoints powered by AniList GraphQL
- Miruro pipe integration for streaming sources
- 12 streaming providers (kiwi, pewe, bee, bonk, etc.)
- M3U8 streaming URLs with subtitles and skip timestamps
- In-memory caching with TTL
- CORS support and health endpoint

src/helpers/cache.js

@@ -0,0 +1,27 @@
+const cache = new Map();
+const MAX_CACHE_SIZE = 100;
+const DEFAULT_TTL = 60 * 1000;
+
+function getCached(key) {
+  const entry = cache.get(key);
+  if (!entry) return null;
+  if (Date.now() > entry.expiry) {
+    cache.delete(key);
+    return null;
+  }
+  return entry.data;
+}
+
+function setCache(key, data, ttl = DEFAULT_TTL) {
+  if (cache.size >= MAX_CACHE_SIZE) {
+    const firstKey = cache.keys().next().value;
+    cache.delete(firstKey);
+  }
+  cache.set(key, { data, expiry: Date.now() + ttl });
+}
+
+function clearCache() {
+  cache.clear();
+}
+
+module.exports = { getCached, setCache, clearCache };