refactor: Fix psalm issues

- Add typing for most of the services, controllers and mappers
- Add api doc for mappers
- Use vendor-bin for psalm
- Use attributes for controllers
- Fix upload of attachments

Signed-off-by: Carl Schwan <carl.schwan@nextcloud.com>

lib/Activity/ActivityManager.php

@@ -516,7 +516,7 @@ class ActivityManager {
 		];
 	}
 
-	private function findDetailsForCard($cardId, $subject = null) {
+	private function findDetailsForCard(int $cardId, ?string $subject = null): array {
 		$card = $this->cardMapper->find($cardId);
 		$stack = $this->stackMapper->find($card->getStackId());
 		$board = $this->boardMapper->find($stack->getBoardId());

lib/Activity/SettingComment.php

@@ -7,6 +7,9 @@
 
 namespace OCA\Deck\Activity;
 
+/**
+ * @psalm-api SettingComment
+ */
 class SettingComment extends SettingBase {
 
 	/**