Convert site to Hugo (#8316)

This commit converts content and layout to use Hugo.

data/tools.yml

@@ -0,0 +1,22 @@
+bigheader: "Tools"
+abstract: "Tools to help you use and enhance Kubernetes."
+toc:
+- docs/tools/index.md
+
+- title: Native Tools
+  section:
+  - title: Kubectl
+    path: /docs/reference/kubectl/overview/
+  - title: Kubeadm
+    path: /docs/getting-started-guides/kubeadm
+  - title: Kubefed
+    path: /docs/admin/federation/kubefed/
+  - title: Kubernetes Dashboard
+    path: /docs/user-guide/ui/
+  
+- title: Third-Party Tools
+  section:
+  - docs/tools/kompose/index.md
+  - docs/tools/kompose/user-guide.md
+  - title: Helm
+    path: https://github.com/kubernetes/helm