fix(config): ensure join token is included in config

!11 nofusscomputing/infrastructure/configuration-management/project-production!5

templates/k3s-config.yaml.j2

@@ -72,4 +72,9 @@ server: {% for cluster_node in groups[kubernetes_config.cluster.group_name] -%}
 {% if Kubernetes_Master | default(false) | bool -%}
 servicelb-namespace: {{ kubernetes_config.cluster.networking.service_load_balancer_namespace | default('kube-system') }}
 service-cidr: "{{ KubernetesServiceSubnet }}"
+agent-token: {{ k3s_join_token }}
 {% endif %}
+
+{% if not Kubernetes_Master | default(false) | bool -%}
+token: {{ k3s_join_token }}
+{% endif %}