Add Spacebin to pastebins (#2532)

Co-authored-by: nodiscc <nodiscc@gmail.com>

README.md

@@ -1237,6 +1237,7 @@ _See also [Wikis](#wikis)_
 - [Snibox](https://snibox.github.io/) - Code snippets manager with attractive tag-oriented interface. ([Demo](https://snibox-demo.herokuapp.com/), [Source Code](https://github.com/snibox/snibox)) `MIT` `Ruby`
 - [snipt](https://github.com/nicksergeant/snipt) - Long-term memory for coders. Share and store code snippets. `MIT` `Python`
 - [SocksBin](https://github.com/magnumdingusedu/socksbin) - Simple and fast terminal based pastebin, with optional code highlighting. No specific client required, all you need is netcat. `GPL-3.0` `Python`
+- [Spacebin](https://docs.spaceb.in) - Text-sharing for the final frontier — Reliable Pastebin server in Golang and Fiber. ([Demo](https://spaceb.in), [Source Code](https://github.com/spacebin-org/spirit)) `Apache-2.0` `Go`
 - [Stikked](https://github.com/claudehohl/Stikked) - Advanced and beautiful pastebin. ([Demo](https://paste.scratchbook.ch/)) `GPL-3.0` `PHP`
 - [Sup3rS3cretMes5age](https://github.com/algolia/sup3rS3cretMes5age) - Very simple (to deploy and to use) secret message service using Hashicorp Vault as a secrets storage. `MIT` `Go`
 - [Pasty](https://github.com/lus/pasty) - Pasty is a fast and lightweight code pasting server. ([Demo](https://paste.pelkum.dev/)) `MIT` `Go`