new 1-15 to play with overriding frontmatter in one notebook

Author: parmentelat

notebooks/1-15-frontmatter-nb.md

@@ -0,0 +1,24 @@
+---
+authors:
+- name: Thomas Parmentier
+- name: Olivier Grisel
+jupytext:
+  formats: md:myst
+  text_representation:
+    extension: .md
+    format_name: myst
+kernelspec:
+  name: python3
+  display_name: Python 3 (ipykernel)
+  language: python
+language_info:
+  name: python
+  pygments_lexer: ipython3
+  nbconvert_exporter: python
+---
+
+# frontmatter
+
++++
+
+we just want to play with the ability to override some project settings on an individual notebook without impacting the other ones