refacto: create src dir & change project indentation to 2 spaces

src/pages/_app.tsx

@@ -0,0 +1,42 @@
+import { SessionProvider } from "next-auth/react";
+import { DefaultSeo } from "next-seo";
+import { useRouter } from "next/router";
+import nProgress from "nprogress";
+import { useEffect } from "react";
+
+import AuthRequired from "components/AuthRequired";
+
+import "nprogress/nprogress.css";
+import "styles/globals.scss";
+
+function MyApp({ Component, pageProps: { session, ...pageProps } }) {
+  const router = useRouter();
+
+  useEffect(() => {
+    // Chargement pages
+    router.events.on("routeChangeStart", nProgress.start);
+    router.events.on("routeChangeComplete", nProgress.done);
+    router.events.on("routeChangeError", nProgress.done);
+
+    return () => {
+      router.events.off("routeChangeStart", nProgress.start);
+      router.events.off("routeChangeComplete", nProgress.done);
+      router.events.off("routeChangeError", nProgress.done);
+    };
+  }, [router.events]);
+
+  return (
+    <SessionProvider session={session}>
+      <DefaultSeo titleTemplate="MyLinks — %s" defaultTitle="MyLinks" />
+      {Component.authRequired ? (
+        <AuthRequired>
+          <Component {...pageProps} />
+        </AuthRequired>
+      ) : (
+        <Component {...pageProps} />
+      )}
+    </SessionProvider>
+  );
+}
+
+export default MyApp;