Add OneLab Helm chart, Argo CD Application, and GitOps values for k3s

Made-with: Cursor

app/playbooks/tasks/check-offline-resources.yml

@@ -0,0 +1,7 @@
+---
+# Check if Docker images are existing locally
+- name: Checking local Docker images bundle
+  stat:
+    path: "{{ main_path }}/onelab-images-1.27.0.tar.gz"
+    get_checksum: no
+  register: docker_images_tar