Flesh out some content on building a MyST website

Both on JupyterLab and locally

Author: mfisher87

modules/05-sharing-and-publishing/index.md

@@ -38,22 +38,40 @@ authors:
 
 MyST (Markedly Structured Text) is both:
 
-* A language, which extends Markdown, for authoring technical documents, including executable code cells, **and**
-* A software tool for rendering technical documents from MyST source
+* A language, which extends Markdown, for authoring technical documents, including
+  executable code cells, **and**
+* A software tool for executing and rendering technical documents from MyST source to
+  multiple output formats including websites, PDFs, $ \LaTeX $, Typst, MS Word, JATS,
+  and `CITATION.cff`.
 
 
-## Using MyST in JupyterLab
+## Building a website
+
+### Building a MyST site in JupyterLab
 
 This JupyterLab instance has MyST installed, plus a special configuration for building
 and exposing a MyST site at a special URL.
 
-To preview a MyST site, first...
+To preview a MyST site in JupyterLab, view instructions at [](../../reference/04-using-myst.md).
+
+:::{important} 👀 You should notice...
+:class: simple
+:icon: false
+
+...when you open the URL specified in the instructions above, a loading screen is
+displayed.
+
+After a few seconds, the build will complete and you can see your fully-built site!
+:::
 
-::::::{info} Using MyST on your local machine
+::::::{note} Building a MyST site on your local machine
 :class: dropdown
 
-The special configuration for building and hosting our MyST site is not necessary on a
-local computer.
+It's important to us that you can take these skills home with you!
+Some things will be slightly different outside of JupyterLab.
+
+The special configuration for building and hosting our MyST site in JupyterLab is not
+necessary on a local computer.
 We even have some special features that we can't use in the JupyterLab environment,
 for example a live-updating preview server:
 
@@ -70,11 +88,27 @@ myst start
 ```
 🔌 Server started on port 3000!  🥳 🎉
 
-
         👉  http://localhost:3000  👈
 ```
 
 At this point, you can visit the printed URL to preview your site.
 The preview will automatically update any time you change a file.
 :::
 ::::::
+
+
+### Hosting your website for free
+
+#### GitHub Pages
+
+TODO
+
+
+#### ReadTheDocs
+
+TODO
+
+
+## Building a paper
+
+TODO