update menu

_quarto.yml

@@ -156,12 +156,18 @@ website:
       - icon: house
         text: "Home"
         file: index.qmd
-      - text: "Manuscript"
+      - text: "Main files"
-        file: MS/MS.qmd
+        menu: 
-      - text: "Supplementary Materials"
+          - text: "Manuscript"
-        file: MS/SM.qmd
+            file: MS/MS.qmd
-      # - text: "Revision Notes"
+          - text: "Supplementary Materials"
-      #   file: MS/RN.qmd
+            file: MS/SM.qmd
+        # - text: "Revision Notes"
+        #   file: MS/RN.qmd
+          - text: "Cover Letter"
+            file: MS/CL.qmd
+          - text: "Highlights"
+            file: MS/HL.qmd
       - text: "Slides"
         file: SD/index.qmd
       - text: "Trackchanges"
@@ -176,10 +182,6 @@ website:
             href: "https://drwater.net/"
       - text: "Others"
         menu:
-          - text: "Highlights"
-            file: MS/HL.qmd
-          - text: "Cover Letter"
-            file: MS/CL.qmd
           - text: "Reports"
             file: RP/index.qmd
           - text: "Author Credits"