docs: add quick start section

Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>

website/docs/overrides/home.html

@@ -201,8 +201,8 @@
 				style="display: flex; flex-direction: column; justify-content: center; min-height: inherit;">
 				<div style="display: flex; justify-content: space-between; align-items: center;">
 					<div>
-						<h1>Kyverno Envoy plugin</h1>
-						<h2><a href="https://kyverno.io">Kyverno</a> policy based authz... in a mesh !</h2>
+						<h1><a href="https://kyverno.io">Kyverno</a> Envoy plugin</h1>
+						<h2>Policy based authorizations... in a mesh !</h2>
 						<a href="{{ page.next_page.url | url }}" title="{{ page.next_page.title | striptags }}"
 							class="md-button md-button--primary">
 							Get started

website/docs/quick-start/index.md

@@ -0,0 +1,9 @@
+# Quick start
+
+TODO
+
+## How to use it?
+
+Chainsaw is built with CI tools in mind - you only really need to download and execute it in your build script.
+
+However, [installing it on your local machine](./install.md) is entirely possible.

website/docs/quick-start/install.md

@@ -0,0 +1,3 @@
+# Installation
+
+TODO

website/mkdocs.yaml

@@ -2,6 +2,9 @@ INHERIT: ./mkdocs.base.yaml
 
 nav:
 - Home: index.md
+- Quick start:
+  - quick-start/index.md
+  - quick-start/install.md
 - Documentation:
   - intro.md
   - quick-start.md
@@ -16,12 +19,12 @@ nav:
   - tutorials/standalone-envoy.md
   - tutorials/istio.md
   - tutorials/mtls-istio.md
+- Performance: performance.md
 - Reference:
   - reference/index.md
   - reference/json-schemas.md
   - APIs:
     - v1alpha1: reference/apis/policy.v1alpha1.md
-- Performance: performance.md
 - Community:
   - community/index.md
   - Contributing: community/contribute.md