docs: add closing remarks and acknowledgements

CLOSING_REMARKS.md

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+# Closing remarks
+
+I hope you have found this project useful. All the major credit really goes to the all the doujin sites, which
+allows this services to operate.
+
+- [PornHub](https://pornhub.com)
+- [Xnxx](https://xnxx.com)
+- [RedTube](https://redtube.com)
+- [Xvideos](https://xvideos.com)
+- [Xhamster](https://xhamster.com)
+- [YouPorn](https://youporn.com)
+- [JavHD](https://javhd.com)
+
+Core dependencies:
+- [express](https://github.com/expressjs/express)
+- [cheerio](https://cheerio.js.org/)
+- [keyv](https://github.com/jaredwray/keyv)
+
+# Alternative-links
+Just in case if https://lust.scathach.id down, here some alternative deployment
+
+- TBA