update navigation

_data/navigation.yml

@@ -1,4 +1,22 @@
 # main links links
-main: 
+main:
+  # - title: "Publications"
+  #   url: /publications/
+
+  # - title: "Talks"
+  #   url: /talks/    
+
+  # - title: "Teaching"
+  #   url: /teaching/    
+
+  # - title: "Portfolio"
+  #   url: /portfolio/
+
+  # - title: "Blog Posts"
+  #   url: /year-archive/
+
   - title: "CV"
     url: /cv/
+
+  # - title: "Guide"
+  #   url: /markdown/