docs: version callout (#2012)

* docs: add warning message to older version based on Trivy docs

Signed-off-by: AnaisUrlichs <urlichsanais@gmail.com>

* docs: add warning message to older version based on Trivy docs

Signed-off-by: AnaisUrlichs <urlichsanais@gmail.com>

---------

Signed-off-by: AnaisUrlichs <urlichsanais@gmail.com>

Author: AnaisUrlichs

docs/overrides/main.html

@@ -0,0 +1,8 @@
+{% extends "base.html" %}
+
+{% block outdated %}
+You're not viewing the latest version.
+<a href="{{ '../' ~ base_url }}">
+    <strong>Click here to go to latest.</strong>
+</a>
+{% endblock %}

mkdocs.yml

@@ -88,9 +88,17 @@ extra:
   version:
     method: mike
     provider: mike
+    default: latest
   var:
     prev_git_tag: "v0.19.3"
     chart_version: "0.21.4"
+  social:
+    - icon: fontawesome/brands/twitter
+      link: https://twitter.com/AquaTrivy
+    - icon: fontawesome/brands/github
+      link: https://github.com/aquasecurity/trivy
+    - icon: fontawesome/brands/slack
+      link: https://github.com/aquasecurity/trivy
 
 plugins:
   - search