docs: add globster

Author: openscript

src/content/notes/tools/software.en.mdx

@@ -15,6 +15,7 @@ There are many web-based tools I use, but here are some of the most important on
 - [DevDocs](https://devdocs.io) for offline access to documentation.
 - [.gitginore.io](https://gitignore.io) for creating `.gitignore` files.
 - [endoflife.date](https://endoflife.date) for updating software before it's too late.
+- [globster.xyz](https://globster.xyz) for trying out glob patterns.
 
 ## Linux