Update README.md

Author: unsecretised

README.md

@@ -1,6 +1,6 @@
 # Rustcast - an alternative to Raycast thats open source and in rust
 
-> Raycast & Rustcast are productivity tools. They provide a popup search bar
+> Rustcast, Raycast and PowerToys are productivity tools. They provide a popup search bar
 > that people can use to do many things, like opening apps, calculators,
 > quick-notes, etc.