fix(docs): use relative link for Get Started button (#26)

Author: Pikatsuto

docs/src/content/docs/index.mdx

@@ -8,7 +8,7 @@ hero:
         file: ../../assets/screenshots/desktop-icons-light.png
     actions:
         - text: Get Started
-          link: /getting-started/introduction/
+          link: getting-started/introduction/
           icon: right-arrow
         - text: View on GitHub
           link: https://github.com/UniDash-Linux/UniDash