feat(kubernetes): add initial setup for ArgoCD, Cert-Manager, MetalLB, and Traefik

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>

playbooks/kubernetes_setup.yml

@@ -0,0 +1,16 @@
+---
+- name: Setup Kubernetes Cluster
+  hosts: kubernetes
+  any_errors_fatal: true
+  gather_facts: false
+  vars:
+    is_localhost: "{{ inventory_hostname == '127.0.0.1' }}"
+  roles:
+    - role: kubernetes_traefik
+      when: is_localhost
+    - role: kubernetes_argocd
+      when: is_localhost
+    - role: kubernetes_metallb
+      when: is_localhost
+    - role: kubernetes_cert_manager
+      when: is_localhost