Add a line on PR description to ask author publishing Microsoft autho…

…rized template to azure samples browser (#404)

* add note on pr submission

* Update website/docs/contribute.md

Co-authored-by: Grace Kulin <55554236+gkulin@users.noreply.github.com>

---------

Co-authored-by: Kristen Womack <5034778+kristenwomack@users.noreply.github.com>
Co-authored-by: Grace Kulin <55554236+gkulin@users.noreply.github.com>

website/docs/contribute.md

@@ -22,8 +22,9 @@ To submit a template:
     - **Author's Name** - Name to credit on the gallery card
     - **Link to template source** - Link to the template GitHub repo
     - **Tags** - One or more [tags](https://github.com/Azure/awesome-azd/blob/main/website/src/data/tags.tsx) representing the template. Provide at least 1 tag for programming language used and at least 1 tag for Azure services integrated. Also tag the IaC provider (Bicep or Terraform). If you don't see a relevant tag for your template? Feel free to add one!
-2. Open a PR!
-3. If possible, add a link to the PR in your repo where you made your app `azd` compatible to the PR description. This will help us provide feedback on your template and speed up the review process. 
+2. If the template is Microsoft-authored, we encourage you to also [publish it to learn.microsoft.com/samples](https://review.learn.microsoft.com/en-us/help/contribute/samples/process/onboarding?branch=main). 
+3. Open a PR!
+4. If possible, add a link to the PR in your repo where you made your app `azd` compatible to the PR description. This will help us provide feedback on your template and speed up the review process. 
 
 If you would like to contribute a template but are not sure where to start, [making an existing project azd compatible](https://learn.microsoft.com/en-us/azure/developer/azure-developer-cli/make-azd-compatible) is a great first step. Doing so consists of three main steps:
 1.  Set up a new environment (with `azd init`)