added lecture 9 to yaml

Author: beyondsimulations

_quarto.yml

@@ -13,6 +13,7 @@ project:
   - part-06/*.qmd
   - part-07/*.qmd
   - part-08/*.qmd
+  - part-09/*.qmd
   - part-10/*.qmd
   - assignments/*.qmd
 
@@ -81,6 +82,12 @@ website:
             href: part-08/lecture-pandas.qmd
           - text: "Tutorial"
             href: part-08/tutorial-pandas.qmd
+      - section: "09 Plotting"
+        contents:
+          - text: "Lecture"
+            href: part-09/lecture-plotting.qmd
+          - text: "Tutorial"
+            href: part-09/tutorial-plotting.qmd
       - section: "10 Projects"
         contents:
           - text: "Lecture"