Revert "website: latest migration to new structure" (#11634)

Revert "website: latest migration to new structure (#11522)"

This reverts commit 9a89a5f94b.

website/docs/releases/2021/v2021.1.md

@@ -8,13 +8,13 @@ slug: "/releases/2021.1"
 -   New versioning schema (year.month.release)
 -   Add global email settings
 
-    In previous versions, you had to configure email connection details per [Email Stage](../../add-secure-apps/flows-stages/stages/email/index.mdx). Now, you can (and should) configure global settings.
+    In previous versions, you had to configure email connection details per [Email Stage](../../flow/stages/email/index.mdx). Now, you can (and should) configure global settings.
 
-    This is documented under the [docker-compose](../../install-config/install/docker-compose.mdx) and [Kubernetes](../../install-config/install/kubernetes.md) sections.
+    This is documented under the [docker-compose](../../installation/docker-compose.mdx) and [Kubernetes](../../installation/kubernetes.md) sections.
 
 -   New notification system
 
-    More info can be found under [Notifications](../../sys-mgmt/events/notifications.md) and [Transports](../../sys-mgmt/events/transports.md).
+    More info can be found under [Notifications](../../events/notifications.md) and [Transports](../../events/transports.md).
 
     During the update, some default rules will be created. These rules notify you about policy exceptions, configuration errors and updates.
 

website/docs/releases/2021/v2021.5.md

@@ -20,7 +20,7 @@ This feature is still in technical preview, so please report any Bugs you run in
 -   Compatibility with forwardAuth/auth_request
 
     The authentik proxy is now compatible with forwardAuth (traefik) / auth_request (nginx). All that is required is the latest version of the outpost,
-    and the correct config from [here](../../add-secure-apps/providers/proxy/forward_auth.mdx).
+    and the correct config from [here](../../providers/proxy/forward_auth.mdx).
 
 -   Docker images for ARM