Recommend OrbStack over Docker Desktop for macOS users (#516)

* Initial plan

* Replace Docker Desktop with OrbStack recommendation for macOS users

Co-authored-by: SkafteNicki <24896311+SkafteNicki@users.noreply.github.com>

* Fix formatting consistency - remove bold from OS names to match document style

Co-authored-by: SkafteNicki <24896311+SkafteNicki@users.noreply.github.com>

* Make product name formatting consistent - italicize both OrbStack and Docker Desktop

Co-authored-by: SkafteNicki <24896311+SkafteNicki@users.noreply.github.com>

* update note

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: SkafteNicki <24896311+SkafteNicki@users.noreply.github.com>
Co-authored-by: Nicki Skafte Detlefsen <skaftenicki@gmail.com>

Author: Copilot

s3_reproducibility/docker.md

@@ -81,11 +81,18 @@ which images have been building and which are running. Additionally, the extensi
 beneficial for you to download.
 
 1. Start by [installing docker](https://docs.docker.com/get-docker/). How much trouble you need to go through
-    depends on your operating system. For Windows and Mac, we recommend you install *Docker Desktop*, which comes with
-    a graphical user interface (GUI) for quickly viewing docker images and docker containers currently built/in use.
-    Windows users that have not installed WSL yet are going to have to do it now (as docker needs it as a backend for
-    starting virtual machines) but you do not need to install docker in WSL. After installing docker we recommend that
-    you restart your laptop.
+    depends on your operating system. For macOS users, we recommend installing [OrbStack](https://orbstack.dev/)*,
+    which is a lightweight, fast, and user-friendly alternative to *Docker Desktop* with a more intuitive GUI. For
+    Windows users, we recommend you install *Docker Desktop*, which comes with a graphical user interface (GUI)
+    for quickly viewing docker images and docker containers currently built/in use. Windows users that have not
+    installed WSL yet are going to have to do it now (as docker needs it as a backend for starting virtual machines)
+    but you do not need to install docker in WSL. macOS users can also use *Docker Desktop* if they prefer. After
+    installing docker we recommend that you restart your laptop.
+
+    !!! note "GUI vs CLI"
+
+        In this course we are only going to use the command line interface (CLI) of docker. However, feel free to
+        explore the graphical user interface (GUI) if you want.
 
 2. Try running the following to confirm that your installation is working: