website: create website

This commit introduces a the Kilo website. It is generated with
Docusaurus and can be deployed with standard services like Netlify.

Signed-off-by: Lucas Servén Marín <lserven@gmail.com>

website/sidebars.js

@@ -0,0 +1,19 @@
+module.exports = {
+  docs: [
+    {
+      type: 'doc',
+      id: 'introduction',
+    },
+    {
+      type: 'category',
+      label: 'Guides',
+      items: ['topology', 'vpn', 'vpn-server', 'multi-cluster-services'],
+    },
+    {
+      type: 'category',
+      label: 'Reference',
+      items: ['annotations', 'kgctl'],
+    },
+    //Features: ['mdx'],
+  ],
+};