Add [Feature] Reader label for src/app changes (#2655)

Author: obenland

.github/workflows/gardening.yml

@@ -53,6 +53,7 @@ jobs:
             {"path": "src/editor-plugin", "label": "[Block] Post settings"},
             {"path": "src/reactions", "label": "[Block] Reactions"},
             {"path": "src/reactions", "label": "[Feature] Reactions"},
+            {"path": "src/app", "label": "[Feature] Reader"},
             {"path": "src", "label": "[Focus] Editor"},
             {"path": "integration", "label": "[Focus] Compatibility"},
             {"path": "includes/class-mailer.php", "label": "[Feature] Notifications"},