docs: add advanced footer and navbar links (#277)

Author: felangel

docs/docusaurus.config.js

@@ -78,6 +78,10 @@ const config = {
             label: 'Deploy',
             to: '/docs/category/deploy',
           },
+          {
+            label: 'Advanced',
+            to: '/docs/category/advanced',
+          },
           {
             label: 'Roadmap',
             to: '/docs/roadmap',
@@ -117,6 +121,10 @@ const config = {
                 label: 'Deploy',
                 to: '/docs/category/deploy',
               },
+              {
+                label: 'Advanced',
+                to: '/docs/category/advanced',
+              },
               {
                 label: 'Roadmap',
                 to: '/docs/roadmap',