docs: use note blocks instead of code blocks for product description

docs/integrations/services/gitlab/index.md

@@ -4,9 +4,8 @@
 
 From https://about.gitlab.com/what-is-gitlab/
 
-```
+!!! note ""
     GitLab is a complete DevOps platform, delivered as a single application. This makes GitLab unique and makes Concurrent DevOps possible, unlocking your organization from the constraints of a pieced together toolchain. Join us for a live Q&A to learn how GitLab can give you unmatched visibility and higher levels of efficiency in a single application across the DevOps lifecycle.
-```
 
 ## Preparation
 

docs/integrations/services/harbor/index.md

@@ -4,9 +4,8 @@
 
 From https://goharbor.io
 
-```
+!!! note ""
     Harbor is an open source container image registry that secures images with role-based access control, scans images for vulnerabilities, and signs images as trusted. A CNCF Incubating project, Harbor delivers compliance, performance, and interoperability to help you consistently and securely manage images across cloud native compute platforms like Kubernetes and Docker.
-```
 
 ## Preparation
 

docs/integrations/services/rancher/index.md

@@ -4,10 +4,9 @@
 
 From https://rancher.com/products/rancher
 
-```
+!!! note ""
     An Enterprise Platform for Managing Kubernetes Everywhere
     Rancher is a platform built to address the needs of the DevOps teams deploying applications with Kubernetes, and the IT staff responsible for delivering an enterprise-critical service.
-```
 
 ## Preparation
 

docs/integrations/services/sentry/index.md

@@ -4,13 +4,12 @@
 
 From https://sentry.io
 
-```
+!!! note ""
     Sentry provides self-hosted and cloud-based error monitoring that helps all software
     teams discover, triage, and prioritize errors in real-time.
 
     One million developers at over fifty thousand companies already ship
     better software faster with Sentry. Won’t you join them?
-```
 
 ## Preparation
 

mkdocs.yml

@@ -32,3 +32,4 @@ theme:
 markdown_extensions:
   - toc:
       permalink: "¶"
+  - admonition