core: app entitlements (#12090)

* core: initial app entitlements

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

* base off of pbm

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

* add tests and oauth2

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

* add to proxy

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

* rewrite to use bindings

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

* make policy bindings form and list more customizable

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

* fix tests

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

* double fix

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

* refine permissions

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

* add missing rbac modal to app entitlements

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

* separate scope for app entitlements

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

* include entitlements mapping in proxy

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

* fix tests

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

* add API validation to prevent policies from being bound to entitlements

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

* make preview

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

* add initial docs

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

* fix

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

* remove duplicate docs

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

---------

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

tests/e2e/proxy_forward_auth/traefik_single/config-static.yaml

@@ -26,6 +26,7 @@ http:
         authResponseHeaders:
           - X-authentik-username
           - X-authentik-groups
+          - X-authentik-entitlements
           - X-authentik-email
           - X-authentik-name
           - X-authentik-uid