docs: fix typo in readme (#1104)

Author: virtual-designer

README.md

@@ -18,7 +18,7 @@ Visit the docs at [https://analogjs.org](https://analogjs.org)
 
 ## Features
 
-- Powerd by Vite
+- Powered by Vite
 - Supports Vitest/Storybook
 - Server and deployment integrations powered by [Nitro](https://nitro.unjs.io)
 - File-based routing