docs: replaced manual up next blocks with doc tag in workspaces.md (#3023)

* docs: replaced manual up next blocks with doc tag in workspaces.md

* replaced up next blocks with <doc page=""> tags

* revert back to markdown

now that we updated how these links work, we can have them as markdown on github and as cards on the docs website.

Co-authored-by: Anton Korzhuk <antonkorzhuk@gmail.com>

docs/README.md

@@ -96,4 +96,6 @@ Azure, Google Cloud, Kubernetes, and more.
 - Coder is not a SaaS/fully-managed offering. You must host
   Coder on a cloud service (AWS, Azure, GCP) or your private data center.
 
-Next: [Templates](./templates.md)
+
+## Up next
+- Learn about [Templates](./templates.md)

docs/templates.md

@@ -300,6 +300,7 @@ We recommend source controlling your templates as you would other code.
 CI is as simple as running `coder templates push` with the appropriate
 credentials.
 
----
 
-Next: [Authentication & Secrets](templates/authentication.md) and [Workspaces](./workspaces.md)
+## Next Steps
+- Learn about [Authentication & Secrets](templates/authentication.md)
+- Learn about [Workspaces](workspaces.md)

docs/workspaces.md

@@ -61,6 +61,5 @@ Coder stores macOS and Linux logs at the following locations:
 ---
 
 ## Up next
-
 - Learn about how to personalize your workspace with [Dotfiles](./dotfiles.md)
 - Learn about using [IDEs](./ides.md)