B2B-88: add starter kit structure and elements

app/auth/sign-in/page.tsx

@@ -0,0 +1,70 @@
+import Link from 'next/link';
+
+import { SignInMethodsContainer } from '@kit/auth/sign-in';
+import { Button } from '@kit/ui/button';
+import { Heading } from '@kit/ui/heading';
+import { Trans } from '@kit/ui/trans';
+
+import authConfig from '~/config/auth.config';
+import pathsConfig from '~/config/paths.config';
+import { createI18nServerInstance } from '~/lib/i18n/i18n.server';
+import { withI18n } from '~/lib/i18n/with-i18n';
+
+interface SignInPageProps {
+  searchParams: Promise<{
+    invite_token?: string;
+    next?: string;
+  }>;
+}
+
+export const generateMetadata = async () => {
+  const i18n = await createI18nServerInstance();
+
+  return {
+    title: i18n.t('auth:signIn'),
+  };
+};
+
+async function SignInPage({ searchParams }: SignInPageProps) {
+  const { invite_token: inviteToken, next = '' } = await searchParams;
+
+  const signUpPath =
+    pathsConfig.auth.signUp +
+    (inviteToken ? `?invite_token=${inviteToken}` : '');
+
+  const paths = {
+    callback: pathsConfig.auth.callback,
+    returnPath: next ?? pathsConfig.app.home,
+    joinTeam: pathsConfig.app.joinTeam,
+  };
+
+  return (
+    <>
+      <div className={'flex flex-col items-center gap-1'}>
+        <Heading level={4} className={'tracking-tight'}>
+          <Trans i18nKey={'auth:signInHeading'} />
+        </Heading>
+
+        <p className={'text-muted-foreground text-sm'}>
+          <Trans i18nKey={'auth:signInSubheading'} />
+        </p>
+      </div>
+
+      <SignInMethodsContainer
+        inviteToken={inviteToken}
+        paths={paths}
+        providers={authConfig.providers}
+      />
+
+      <div className={'flex justify-center'}>
+        <Button asChild variant={'link'} size={'sm'}>
+          <Link href={signUpPath} prefetch={true}>
+            <Trans i18nKey={'auth:doNotHaveAccountYet'} />
+          </Link>
+        </Button>
+      </div>
+    </>
+  );
+}
+
+export default withI18n(SignInPage);