Restructure main menu some

PEZ · PEZ · commit 26445a286c1d · 2020-08-18T08:25:19.000+02:00
diff --git a/mkdocs.yml b/mkdocs.yml
@@ -27,11 +27,10 @@ nav:
     - paredit.md
     - debugger.md
     - pprint.md
-    - linting.md
-  - Customizing Calva:
-    - customizing.md
     - connect-sequences.md
     - custom-commands.md
+    - linting.md
+  - customizing.md
   - Using Calva with X:
     - rebl.md
     - vim.md
