separate eap logic into protocol

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

internal/outpost/radius/eap/protocol/context.go

@@ -18,6 +18,8 @@ type Context interface {
 	Packet() *radius.Request
 
 	ProtocolSettings() interface{}
+
+	StateForProtocol(p Type) interface{}
 	GetProtocolState() interface{}
 	SetProtocolState(interface{})