Merge pull request #420 from stockholmux/version-box

Add a current version box to documentation homepage.

content/en/_index.markdown

@@ -3,6 +3,8 @@ type="docs"
 title="Documentation"
 +++
 
+{{< current-full-version >}}
+
 You may be familiar with general purpose Linux distributions like Ubuntu, Fedora, or Amazon Linux.
 With these Linux distributions, you can run a variety of workloads, setup in a variety of ways.
 While Bottlerocket is also a Linux distribution, Bottlerocket stands in stark contrast to general purpose distributions by being specifically optimized to host containers and interoperate directly with container orchestrators such as Kubernetes or ECS.

data/project_long_names.toml

@@ -0,0 +1,2 @@
+os = "Bottlerocket OS"
+brupop = "Bottlerocket Update Operator"

data/repos/os.toml

@@ -0,0 +1,3 @@
+github = "https://github.com/bottlerocket-os/bottlerocket"
+path_prefix = "/tree/develop"
+github_issue_url = "https://github.com/bottlerocket-os/bottlerocket/issues/new/choose"

layouts/shortcodes/current-full-version.html

@@ -0,0 +1,8 @@
+{{- $project_short := .Get "project" | default "os" -}}
+{{- $repo_metadata := index $.Site.Data.repos $project_short -}}
+{{- $full_version := print $.Site.Data.versions.current.os.major "." $.Site.Data.versions.current.os.minor "." $.Site.Data.versions.current.os.patch -}}
+<div class="card border-success mb-3">
+    <div class="card-body">
+        The most recent release of {{ index $.Site.Data.project_long_names $project_short }} is <strong>{{ $full_version }}</strong> (<a href="{{ $repo_metadata.github }}/releases/tag/v{{ $full_version }}">Release Notes</a>).
+    </div>
+</div>