docs(readme): add descriptions

README.md

@@ -44,13 +44,13 @@ Requires Neovim (>= 0.5)
 
 ## PowerShell setup (Windows)
 
-- [Scoop](https://scoop.sh/)
+- [Scoop](https://scoop.sh/) - A command-line installer
 - [Git for Windows](https://gitforwindows.org/)
-- [Oh My Posh](https://ohmyposh.dev/)
-- [Terminal Icons](https://github.com/devblackops/Terminal-Icons)
-- [PSReadLine](https://docs.microsoft.com/en-us/powershell/module/psreadline/)
-- [z](https://www.powershellgallery.com/packages/z)
-- [PSFzf](https://github.com/kelleyma49/PSFzf)
+- [Oh My Posh](https://ohmyposh.dev/) - Prompt theme engine
+- [Terminal Icons](https://github.com/devblackops/Terminal-Icons) - Folder and file icons
+- [PSReadLine](https://docs.microsoft.com/en-us/powershell/module/psreadline/) - Cmdlets for customizing the editing environment, used for autocompletion
+- [z](https://www.powershellgallery.com/packages/z) - Directory jumper
+- [PSFzf](https://github.com/kelleyma49/PSFzf) - Fuzzy finder
 
 ## How to use