website/docs: add info about invalidation flow, default flows in general (#11800)

* restructure

* tweak

* fix header

* added more definitions

* jens excellent idea

* restructure the Layouts content

* tweaks

* links fix

* links still

* fighting links and cache

* argh links

* ditto

* remove link

* anothe link

* Jens' edit

* listed default flows set by brand

* add links back

* tweaks

* used import for list

* tweak

* rewrite some stuff

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* format

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* mangled rebase, fixed

* bump

---------

Signed-off-by: Jens Langhammer <jens@goauthentik.io>
Co-authored-by: Tana M Berry <tana@goauthentik.com>
Co-authored-by: Jens Langhammer <jens@goauthentik.io>

website/docs/add-secure-apps/applications/manage_apps.md

@@ -26,7 +26,7 @@ To add an application to authentik and have it display on users' **My applicatio
 
 ## Authorization
 
-Application access can be configured using (Policy) Bindings. Click on an application in the applications list, and select the _Policy / Group / User Bindings_ tab. There you can bind users/groups/policies to grant them access. When nothing is bound, everyone has access. You can use this to grant access to one or multiple users/groups, or dynamically give access using policies.
+Application access can be configured using (Policy) bindings. Click on an application in the applications list, and select the _Policy / Group / User Bindings_ tab. There you can bind users/groups/policies to grant them access. When nothing is bound, everyone has access. You can use this to grant access to one or multiple users/groups, or dynamically give access using policies.
 
 By default, all users can access applications when no policies are bound.