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

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

This reverts commit 9a89a5f94b.

website/docs/add-secure-apps/providers/proxy/_traefik_standalone.md

@@ -1,40 +0,0 @@
-```yaml
-http:
-    middlewares:
-        authentik:
-            forwardAuth:
-                address: http://outpost.company:9000/outpost.goauthentik.io/auth/traefik
-                trustForwardHeader: true
-                authResponseHeaders:
-                    - X-authentik-username
-                    - X-authentik-groups
-                    - X-authentik-email
-                    - X-authentik-name
-                    - X-authentik-uid
-                    - X-authentik-jwt
-                    - X-authentik-meta-jwks
-                    - X-authentik-meta-outpost
-                    - X-authentik-meta-provider
-                    - X-authentik-meta-app
-                    - X-authentik-meta-version
-    routers:
-        default-router:
-            rule: "Host(`app.company`)"
-            middlewares:
-                - authentik
-            priority: 10
-            service: app
-        default-router-auth:
-            rule: "Host(`app.company`) && PathPrefix(`/outpost.goauthentik.io/`)"
-            priority: 15
-            service: authentik
-    services:
-        app:
-            loadBalancer:
-                servers:
-                    - url: http://ipp.internal
-        authentik:
-            loadBalancer:
-                servers:
-                    - url: http://outpost.company:9000/outpost.goauthentik.io
-```