chore: readme and astro updated

Author: kmikiy

README.md

@@ -37,7 +37,7 @@ brew install --cask spotmenu
 
 ### Build from Source
 
-**Requirements:** macOS 26+, Xcode 16+
+**Requirements:** macOS 13+ (Ventura), Xcode 15+
 
 ```bash
 git clone https://github.com/kmikiy/SpotMenu.git

website/src/pages/index.astro

@@ -228,7 +228,7 @@ const demos = [
           </div>
 
           <p class="mt-6 text-sm text-muted-foreground">
-            Free & open source • macOS 26 Tahoe required
+            Free & open source • macOS 13 Ventura or later
           </p>
         </div>