fix: Add redirect for pay-per-event page from guides to concepts (#2278)

The pay-per-event page was moved from /sdk/js/docs/guides/ to
/sdk/js/docs/concepts/ during SDK restructuring but the redirect was
missing. This caused broken links from Google search results.

Slack thread:
https://apify.slack.com/archives/C0L33UM7Z/p1771934865994719?thread_ts=1771930449.685929&cid=C0L33UM7Z

https://claude.ai/code/session_013zhCLj6n5qbkoJP2YWdE1X

<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> **Low Risk**
> Small Nginx rewrite change limited to two specific doc URLs; low risk
aside from potential redirect mis-targeting.
> 
> **Overview**
> Adds missing **permanent redirects** for the SDK JS `pay-per-event`
doc after the guides→concepts restructure, covering both current and
`next` doc trees (`/sdk/js/docs/guides/pay-per-event` →
`/sdk/js/docs/concepts/pay-per-event`, and the equivalent `/next/`
path).
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
1d6c7cc. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

---------

Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Michał Olender <92638966+TC-MO@users.noreply.github.com>
Co-authored-by: Marcel Rebro <marcel.rebro@apify.com>

Author: 4 people

nginx.conf

@@ -450,6 +450,54 @@ server {
     rewrite ^/sdk/js/docs/guides/apify-platform$ /sdk/js/docs/overview redirect;
     rewrite ^/sdk/js/docs/next/guides/apify-platform$ /sdk/js/docs/next/overview redirect;
 
+    # SDK JS guides -> concepts restructuring (apify-sdk-js#542)
+    rewrite ^/sdk/js/docs/guides/actor-lifecycle$ /sdk/js/docs/concepts/actor-lifecycle permanent;
+    rewrite ^/sdk/js/docs/next/guides/actor-lifecycle$ /sdk/js/docs/next/concepts/actor-lifecycle permanent;
+    rewrite ^/sdk/js/docs/guides/request-storage$ /sdk/js/docs/concepts/request-storage permanent;
+    rewrite ^/sdk/js/docs/next/guides/request-storage$ /sdk/js/docs/next/concepts/request-storage permanent;
+    rewrite ^/sdk/js/docs/guides/result-storage$ /sdk/js/docs/concepts/result-storage permanent;
+    rewrite ^/sdk/js/docs/next/guides/result-storage$ /sdk/js/docs/next/concepts/result-storage permanent;
+    rewrite ^/sdk/js/docs/guides/proxy-management$ /sdk/js/docs/concepts/proxy-management permanent;
+    rewrite ^/sdk/js/docs/next/guides/proxy-management$ /sdk/js/docs/next/concepts/proxy-management permanent;
+    rewrite ^/sdk/js/docs/guides/session-management$ /sdk/js/docs/concepts/session-management permanent;
+    rewrite ^/sdk/js/docs/next/guides/session-management$ /sdk/js/docs/next/concepts/session-management permanent;
+    rewrite ^/sdk/js/docs/guides/environment-variables$ /sdk/js/docs/concepts/environment-variables permanent;
+    rewrite ^/sdk/js/docs/next/guides/environment-variables$ /sdk/js/docs/next/concepts/environment-variables permanent;
+    rewrite ^/sdk/js/docs/guides/docker-images$ /sdk/js/docs/concepts/docker-images permanent;
+    rewrite ^/sdk/js/docs/next/guides/docker-images$ /sdk/js/docs/next/concepts/docker-images permanent;
+    rewrite ^/sdk/js/docs/guides/pay-per-event$ /sdk/js/docs/concepts/pay-per-event permanent;
+    rewrite ^/sdk/js/docs/next/guides/pay-per-event$ /sdk/js/docs/next/concepts/pay-per-event permanent;
+
+    # SDK JS examples -> guides restructuring (apify-sdk-js#542)
+    rewrite ^/sdk/js/docs/examples/accept-user-input$ /sdk/js/docs/guides/accept-user-input permanent;
+    rewrite ^/sdk/js/docs/examples/add-data-to-dataset$ /sdk/js/docs/guides/add-data-to-dataset permanent;
+    rewrite ^/sdk/js/docs/examples/basic-crawler$ /sdk/js/docs/guides/basic-crawler permanent;
+    rewrite ^/sdk/js/docs/examples/call-actor$ /sdk/js/docs/guides/call-actor permanent;
+    rewrite ^/sdk/js/docs/examples/cheerio-crawler$ /sdk/js/docs/guides/cheerio-crawler permanent;
+    rewrite ^/sdk/js/docs/examples/crawl-all-links$ /sdk/js/docs/guides/crawl-all-links permanent;
+    rewrite ^/sdk/js/docs/examples/crawl-multiple-urls$ /sdk/js/docs/guides/crawl-multiple-urls permanent;
+    rewrite ^/sdk/js/docs/examples/crawl-relative-links$ /sdk/js/docs/guides/crawl-relative-links permanent;
+    rewrite ^/sdk/js/docs/examples/crawl-single-url$ /sdk/js/docs/guides/crawl-single-url permanent;
+    rewrite ^/sdk/js/docs/examples/crawl-sitemap$ /sdk/js/docs/guides/crawl-sitemap permanent;
+    rewrite ^/sdk/js/docs/examples/crawl-some-links$ /sdk/js/docs/guides/crawl-some-links permanent;
+    rewrite ^/sdk/js/docs/examples/forms$ /sdk/js/docs/guides/forms permanent;
+    rewrite ^/sdk/js/docs/examples/map-and-reduce$ /sdk/js/docs/guides/map-and-reduce permanent;
+    rewrite ^/sdk/js/docs/examples/playwright-crawler$ /sdk/js/docs/guides/playwright-crawler permanent;
+    rewrite ^/sdk/js/docs/examples/puppeteer-capture-screenshot$ /sdk/js/docs/guides/puppeteer-capture-screenshot permanent;
+    rewrite ^/sdk/js/docs/examples/puppeteer-crawler$ /sdk/js/docs/guides/puppeteer-crawler permanent;
+    rewrite ^/sdk/js/docs/examples/puppeteer-recursive-crawl$ /sdk/js/docs/guides/puppeteer-recursive-crawl permanent;
+    rewrite ^/sdk/js/docs/examples/puppeteer-with-proxy$ /sdk/js/docs/guides/puppeteer-with-proxy permanent;
+
+    # SDK JS renamed guide page (apify-sdk-js#542)
+    rewrite ^/sdk/js/docs/guides/type-script-actor$ /sdk/js/docs/guides/typescript-setup permanent;
+    rewrite ^/sdk/js/docs/next/guides/type-script-actor$ /sdk/js/docs/next/guides/typescript-setup permanent;
+
+    # SDK JS removed category index pages (apify-sdk-js#542)
+    rewrite ^/sdk/js/docs/examples/?$ /sdk/js/docs/overview permanent;
+    rewrite ^/sdk/js/docs/next/examples/?$ /sdk/js/docs/next/overview permanent;
+    rewrite ^/sdk/js/docs/upgrading/?$ /sdk/js/docs/overview permanent;
+    rewrite ^/sdk/js/docs/next/upgrading/?$ /sdk/js/docs/next/overview permanent;
+
     # old sdk version redirects (we keep only latest, and version only major/minor)
     rewrite ^/sdk/js/docs/1\.\d+\.\d+(.*)$ /sdk/js/docs/1.3$1 redirect;
     rewrite ^/sdk/js/docs/2\.\d+\.\d+(.*)$ /sdk/js/docs/2.3$1 redirect;