Add services and appstream runner debug categories to categories file

Summary: Make the debug categories visible in kdebugsettings

Reviewers: #frameworks, davidedmundson

Reviewed By: davidedmundson

Subscribers: plasma-devel

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D16403

plasma-workspace.categories

@@ -1,2 +1,3 @@
 org.kde.kf5.ksmserver ksmserver (ksmserver)
-
+org.kde.plasma.runner.services DEFAULT_SEVERITY [WARNING]
+org.kde.plasma.runner.appstream DEFAULT_SEVERITY [WARNING]