bring over most of the things

packages/docs-new/src/components/app-link.tsx

@@ -0,0 +1,34 @@
+import { Link } from "react-router-dom"
+import { ExternalLink } from "./external-link"
+
+export type AppLinkProps = {
+  type: "router" | "internal" | "external"
+  label: React.ReactNode
+  to: string
+  className?: string
+}
+
+export function AppLink(props: AppLinkProps) {
+  switch (props.type) {
+    case "router":
+      return (
+        <Link className={props.className} to={props.to}>
+          {props.label}
+        </Link>
+      )
+
+    case "internal":
+      return (
+        <a className={props.className} href={props.to}>
+          {props.label}
+        </a>
+      )
+
+    case "external":
+      return (
+        <ExternalLink className={props.className} href={props.to}>
+          {props.label}
+        </ExternalLink>
+      )
+  }
+}