feat(server): send mention email (#10859)

close CLOUD-170

packages/backend/server/src/mails/components/doc.tsx

@@ -0,0 +1,16 @@
+import { Link } from '@react-email/components';
+
+import { Bold } from './template';
+
+export interface DocProps {
+  title: string;
+  url: string;
+}
+
+export const Doc = (props: DocProps) => {
+  return (
+    <Link href={props.url}>
+      <Bold>{props.title}</Bold>
+    </Link>
+  );
+};

packages/backend/server/src/mails/components/index.ts

@@ -1,4 +1,5 @@
 export * from './date';
+export * from './doc';
 export * from './template';
 export * from './user';
 export * from './workspace';