docs: fix link to demo

Author: nico-bachner

README.md

@@ -4,7 +4,7 @@
 
 Vercel theme for [Slidev](https://github.com/slidevjs/slidev). Based on [Vercel's design system](https://vercel.com/design)
 
-[Documentation](https://slidev-theme-geist-docs.vercel.app) | [Contribution Guide](CONTRIBUTING.md)
+[Demo](https://slidev-theme-geist-demo.vercel.app) | [Documentation](https://slidev-theme-geist-docs.vercel.app) | [Contribution Guide](CONTRIBUTING.md)
 
 ## Screenshots
 

docs/.vitepress/config.js

@@ -8,7 +8,7 @@ module.exports = {
         nav: [
             {
                 text: "Demo",
-                link: "https://slidev-theme-geist.vercel.app",
+                link: "https://slidev-theme-geist-demo.vercel.app",
             },
             {
                 text: "Contributing",