📝 preview receipe website and add hints on building it

Author: enryH

index.md

@@ -11,6 +11,7 @@ instructions_251105
 
 use_cases
 local_setup
+receipe_book
 ```
 
 ```{toctree}

receipe_book.md

@@ -0,0 +1,24 @@
+# Recipe Book
+
+The recipe book is a collection of markdown files which are rendered as a website
+using Sphinx. The static website is hosted using GitHub pages. If you want to learn
+more about how to create static websites with GitHub pages, GitHub Actions and Sphinx
+see our other trainings:
+
+- GitHub Actions for Automation:
+  [biosustain/dsp_actions_tutorial](https://github.com/biosustain/dsp_actions_tutorial)
+  (Data Club seminar)
+- template for Sphinx based websites with instructions (and recording):
+  [enryH/notes_template](https://github.com/enryH/notes_template)
+
+## Preview
+
+<div style="border: 2px solid black; border-radius: 4px; overflow: hidden;">
+    <iframe src="https://enryh.github.io/recipe-book/"
+        width="100%" height="600"
+        allowfullscreen="true"
+        mozallowfullscreen="true"
+        webkitallowfullscreen="true"
+        style="border: none;">
+    </iframe>
+</div>