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>

internal/outpost/proxyv2/application/claims.go

@@ -14,6 +14,7 @@ type Claims struct {
 	Name              string       `json:"name"`
 	PreferredUsername string       `json:"preferred_username"`
 	Groups            []string     `json:"groups"`
+	Entitlements      []string     `json:"entitlements"`
 	Sid               string       `json:"sid"`
 	Proxy             *ProxyClaims `json:"ak_proxy"`