update : default light theme

Author: vigneshsnaik

src/components/MainHead.astro

@@ -31,9 +31,8 @@ const {
     if (typeof localStorage !== "undefined" && localStorage.getItem("theme")) {
       return localStorage.getItem("theme");
     }
-    return window.matchMedia("(prefers-color-scheme: dark)").matches
-      ? "dark"
-      : "light";
+    return "light";
+     
   };
   const isDark = getThemePreference() === "dark";
   document.documentElement.classList[isDark ? "add" : "remove"]("theme-dark");