Bump MkDocs to latest

docs/js/extra.js

@@ -27,7 +27,7 @@ var nodemcu = nodemcu || {};
     }
     function isModulePage() {
       // if the breadcrumb contains 'Modules »' it must be an API page
-      return $("ul.wy-breadcrumbs li:contains('Modules »')").size() > 0;
+      return $("ul.wy-breadcrumbs li:contains('C Modules')").length > 0;
     }
     function createTocTableRow(func, intro) {
       // fragile attempt to auto-create the in-page anchor

docs/requirements.txt

@@ -1,2 +1,2 @@
-mkdocs==1.2.2
-jinja2<3.1
+mkdocs>=1.5.3
+jinja2>=3.1.0

mkdocs.yml

@@ -20,7 +20,7 @@ extra_css:
 extra_javascript:
   - js/extra.js
 
-pages:
+nav:
   - Overview: 'index.md'
   - Basics:
       - Building the firmware: 'build.md'