Add scaffolding for guides

website/source/assets/stylesheets/_global.scss

@@ -33,3 +33,11 @@ h1 {
 .wf-active, .wf-inactive {
   visibility: visible;
 }
+
+@media (max-width: $screen-md) {
+  .container {
+    padding: 0;
+    max-width: $screen-md;
+    min-width: $screen-sm;
+  }
+}

website/source/guides/index.html.md

@@ -0,0 +1,16 @@
+---
+layout: "guides"
+page_title: "Guides"
+sidebar_current: "guides-home"
+description: |-
+  Welcome to the Terraform guides! The guides provide examples for common
+  Terraform workflows and actions for both beginner and advanced Terraform
+  users.
+---
+
+# Terraform Guides
+
+Welcome to the Terraform guides! If you are just getting started with Terraform,
+please start with the [Terraform introduction](/intro/index.html) instead and
+then continue on to the guides. The guides provide examples for common Terraform
+workflows and actions for both beginner and advanced Terraform users.

website/source/layouts/layout.erb

@@ -74,6 +74,7 @@
                 <ul class="main-links nav navbar-nav navbar-right">
                   <li><a href="/intro/index.html">Intro</a></li>
                   <li><a href="/docs/index.html">Docs</a></li>
+                  <li><a href="/guides/index.html">Guides</a></li>
                   <li><a href="/community.html">Community</a></li>
                   <li><a href="https://www.hashicorp.com/products/terraform/?utm_source=oss&utm_medium=header-nav&utm_campaign=terraform">Enterprise</a></li>
                   <li>