Reorganise code - use src folder

src/app/sitemap.ts

@@ -0,0 +1,28 @@
+import { MetadataRoute } from "next";
+
+import { locales, pathnames } from "@/utils/navigation";
+
+export default function sitemap(): MetadataRoute.Sitemap {
+  return locales.flatMap((locale) => {
+    const prefix = `https://echecsfrance.com${
+      locale === "fr" ? "" : `/${locale}`
+    }`;
+
+    const paths = Object.keys(pathnames) as Array<keyof typeof pathnames>;
+
+    return paths.map((pathname) => {
+      const route = pathnames[pathname];
+      if (typeof route === "string") {
+        return {
+          url: `${prefix}${route}`,
+          lastModified: new Date(),
+        };
+      }
+
+      return {
+        url: `${prefix}${route[locale]}`,
+        lastModified: new Date(),
+      };
+    });
+  });
+}