Added comments

src/Worker/APDelivery.php

@@ -37,7 +37,9 @@ class APDelivery extends BaseObject
 		} elseif ($cmd == Delivery::SUGGESTION) {
 			$success = ActivityPub\Transmitter::sendContactSuggestion($uid, $inbox, $target_id);
 		} elseif ($cmd == Delivery::RELOCATION) {
+			// @todo Implementation pending
 		} elseif ($cmd == Delivery::POKE) {
+			// Implementation not planned
 		} elseif ($cmd == Delivery::REMOVAL) {
 			$success = ActivityPub\Transmitter::sendProfileDeletion($uid, $inbox);
 		} elseif ($cmd == Delivery::PROFILEUPDATE) {