feat: initial project setup for AniKatoAPI

- Express.js server with Vercel deployment support
- Complete API endpoints for anikototv.to anime data
- Home, search, info, episodes, stream, schedule endpoints
- Category filtering and genre support
- Caching system with 5-minute TTL
- CORS configuration
- Public documentation page
- Docker and Render deployment configs
- MIT License

src/helper/cache.helper.js

@@ -0,0 +1,21 @@
+const cache = new Map();
+const CACHE_TTL = 5 * 60 * 1000;
+
+const getCache = (key) => {
+  const item = cache.get(key);
+  if (item && Date.now() - item.timestamp < CACHE_TTL) {
+    return item.data;
+  }
+  cache.delete(key);
+  return null;
+};
+
+const setCache = (key, data) => {
+  cache.set(key, { data, timestamp: Date.now() });
+};
+
+const clearCache = () => {
+  cache.clear();
+};
+
+export { getCache, setCache, clearCache };

src/helper/countPages.helper.js

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+const countPages = ($) => {
+  const pages = [];
+  $(".pagination li a").each((i, el) => {
+    const text = $(el).text().trim();
+    if (!isNaN(text) && text !== "") {
+      pages.push(parseInt(text));
+    }
+  });
+  return pages.length > 0 ? Math.max(...pages) : 1;
+};
+
+export { countPages };

src/helper/extractPages.helper.js

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+import * as cheerio from "cheerio";
+import axios from "axios";
+import { headers } from "../configs/header.config.js";
+
+const extractPages = async (url, page = 1) => {
+  try {
+    const finalUrl = page > 1 ? `${url}?page=${page}` : url;
+    const { data } = await axios.get(finalUrl, { headers });
+    const $ = cheerio.load(data);
+    return $;
+  } catch (error) {
+    throw error;
+  }
+};
+
+export { extractPages };

src/helper/formatTitle.helper.js

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+const formatTitle = (title) => {
+  if (!title) return "";
+  return title
+    .toLowerCase()
+    .replace(/[^a-z0-9]+/g, "-")
+    .replace(/^-+|-+$/g, "");
+};
+
+export { formatTitle };