website/docs: add version dropdown for subdomains

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

website/docs/releases/v0.10.md

@@ -13,7 +13,7 @@ This update brings a lot of big features, such as:
 
     Due to this new OAuth2 Provider, the Application Gateway Provider, now simply called "Proxy Provider" has been revamped as well. The new authentik Proxy integrates more tightly with authentik via the new Outposts system. The new proxy also supports multiple applications per proxy instance, can configure TLS based on authentik Keypairs, and more.
 
-    See [Proxy](../providers/proxy/proxy.md)
+    See [Proxy](../providers/proxy/index.md)
 
 -   Outpost System
 

website/docusaurus.config.js

@@ -1,3 +1,10 @@
+const sidebar = require("./sidebars.js");
+
+const releases = sidebar.docs
+    .filter((doc) => doc.link?.slug === "releases")[0]
+    .items.filter((release) => typeof release === "string");
+const latestVersion = releases[0].replace("releases/v", "");
+
 module.exports = {
     title: "authentik",
     tagline: "Making authentication simple.",
@@ -39,6 +46,20 @@ module.exports = {
                     label: "API",
                     position: "left",
                 },
+                {
+                    type: "dropdown",
+                    label: `Version ${latestVersion}`,
+                    position: "right",
+                    items: releases.map((release) => {
+                        const subdomain = release
+                            .replace("releases/v", "")
+                            .replace(".", "-");
+                        return {
+                            label: release.replace("releases/", ""),
+                            href: `https://version-${subdomain}.goauthentik.io`,
+                        };
+                    }),
+                },
                 {
                     href: "https://github.com/goauthentik/authentik",
                     label: "GitHub",