fix(core): update

ts/index.ts

@@ -0,0 +1 @@
+export * from './kubernetes.classes.kubeclient';

ts/kubernetes.classes.kubeclient.ts

@@ -1,5 +1,17 @@
 import * as plugins from './kubernetes.plugins';
 
 export class KubeClient {
+  public client: plugins.kubectl.ApiRoot;
 
+  constructor() {};
+
+  public async init () {
+    const { KubeConfig } = require('kubernetes-client')
+    const kubeconfig = new KubeConfig()
+    kubeconfig.loadFromFile('~/some/path');
+    const Request = require('kubernetes-client/backends/request');
+    
+    const backend = new Request({ kubeconfig });
+    this.client = new plugins.kubectl.Client1_13({ backend, version: '1.13' })
+  }
 }