Merge branch 'docs-aqualls-crosslink-pages' into 'master'

Improve crosslinking between pages

See merge request gitlab-org/gitlab!50804

doc/administration/terraform_state.md

@@ -20,11 +20,8 @@ These locations can be configured using the options described below.
 
 ## Using local storage
 
-NOTE:
-This is the default configuration
-
-To change the location where Terraform state files are stored locally, follow the steps
-below.
+The default configuration uses local storage. To change the location where
+Terraform state files are stored locally, follow the steps below.
 
 **In Omnibus installations:**
 

doc/topics/autodevops/index.md

@@ -30,9 +30,12 @@ configuration. Automation enables consistency across your projects, seamless
 management of processes, and faster creation of new projects: push your code,
 and GitLab does the rest, improving your productivity and efficiency.
 
+<i class="fa fa-youtube-play youtube" aria-hidden="true"></i>
 For an introduction to Auto DevOps, watch [AutoDevOps in GitLab 11.0](https://youtu.be/0Tc0YYBxqi4).
 
-For requirements, see [Requirements for Auto DevOps](requirements.md) for more information.
+For requirements, read [Requirements for Auto DevOps](requirements.md) for more information.
+
+For a developer's guide, read [Auto DevOps development guide](../../development/auto_devops.md).
 
 ## Enabled by default
 

doc/user/clusters/agent/index.md

@@ -22,7 +22,8 @@ tasks in a secure and cloud-native way. It enables:
   [GitOps Engine](https://github.com/argoproj/gitops-engine).
 - Real-time access to API endpoints in a cluster.
 
-Many more features are planned. Please [review our roadmap](https://gitlab.com/groups/gitlab-org/-/epics/3329).
+Many more features are planned. Please review [our roadmap](https://gitlab.com/groups/gitlab-org/-/epics/3329)
+and [our development documentation](../../../development/agent/index.md).
 
 ## GitLab Agent GitOps workflow