Hextra theme (#1)

* Adapt theme
* Update Contents to match with new theme
* chore: few updates
* adapt HomePage
* Add icons and french version
* fix fr homepage
* Fix Netlab view
* Fix Netlab articles
* devpod post
* French version of DevPod
* my_first_lab

content/documentation/_index.md

@@ -0,0 +1,16 @@
+---
+title: Documentation
+cascade:
+  type: docs
+---
+
+<!-- markdownlint-disable MD033 MD034-->
+
+{{< hextra/hero-subtitle >}}
+  Comprehensive Documentation and Step-by-Step "How-To" Guides
+{{< /hextra/hero-subtitle >}}
+
+{{< cards >}}
+  {{< card link="https://containerlab.dev/install/" title="ContainerLab" subtitle="How to install ContainerLab" icon="endpoints" >}}
+  {{< card link="https://devpod.sh" title="DevPod" subtitle="Easy way to deploy Lab" icon="git" >}}  
+{{< /cards >}}