Added pastebin description

README.md

@@ -1466,6 +1466,8 @@ _Related: [Wikis](#wikis)_
 
 **[`^        back to top        ^`](#)**
 
+A [pastebin](https://en.wikipedia.org/wiki/Pastebin) is a type of online content-hosting service used for sharing and storing code and text.
+
 - [0bin](https://github.com/Tygs/0bin) - Client side encrypted pastebin. ([Demo](https://0bin.net/)) `WTFPL` `Python`
 - [bepasty](https://bepasty-server.readthedocs.io/en/latest/) - A pastebin for all kinds of files. ([Source Code](https://github.com/bepasty/bepasty-server)) `BSD-2-Clause` `Python`
 - [bin](https://github.com/w4/bin) - A paste bin that's actually minimalist. `WTFPL/0BSD` `Rust`