Use a clearer filepath for the kubeconfig template [#13]

assets/kubeconfig.tpl

@@ -0,0 +1,39 @@
+apiVersion: v1
+clusters:
+- cluster:
+{{- if eq .SkipTLSVerify true }}
+    insecure-skip-tls-verify: true
+{{- else }}
+    certificate-authority-data: {{ .Certificate }}
+{{- end}}
+    server: {{ .APIServer }}
+  name: helm
+contexts:
+- context:
+    cluster: helm
+{{- if .Namespace }}
+    namespace: {{ .Namespace }}
+{{- end }}
+    user: {{ .ServiceAccount }}
+  name: helm
+current-context: "helm"
+kind: Config
+preferences: {}
+users:
+- name: {{ .ServiceAccount }}
+  user:
+{{- if .Token }}
+    token: {{ .Token }}
+{{- else if .EKSCluster }}
+    exec:
+      apiVersion: client.authentication.k8s.io/v1alpha1
+      command: aws-iam-authenticator
+      args:
+        - "token"
+        - "-i"
+        - "{{ .EKSCluster }}"
+    {{- if .EKSRoleARN }}
+        - "-r"
+        - "{{ .EKSRoleARN }}"
+    {{- end }}
+{{- end }}