Add xml/yaml linting

.gitlab-ci.yml

@@ -7,3 +7,5 @@ include:
       - /gitlab-templates/reuse-lint.yml
       - /gitlab-templates/linux-qt6.yml
       - /gitlab-templates/freebsd-qt6.yml
+      - /gitlab-templates/xml-lint.yml
+      - /gitlab-templates/yaml-lint.yml

.kde-ci.yml

@@ -2,11 +2,11 @@
 # SPDX-License-Identifier: CC0-1.0
 
 Dependencies:
-- 'on': ['@all']
-  'require':
+ - 'on': ['@all']
+   'require':
     'frameworks/extra-cmake-modules': '@latest-kf6'
     'third-party/wayland': '@latest'
     'third-party/wayland-protocols': '@latest'
 
 Options:
-  require-passing-tests-on: ['Linux', 'FreeBSD', 'Windows']
+ require-passing-tests-on: ['Linux', 'FreeBSD', 'Windows']

metainfo.yaml

@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: CC0-1.0
 
 maintainer:
-- vladz
+    - vladz
 description: Layer Shell Qt
 platforms:
     - name: Linux