Create chapter division in sidebar

_data/sidebars/merlin6_sidebar.yml

@@ -5,7 +5,7 @@ entries:
 - product: Merlin 6
   levels: one
   folders:
-  - title: Documentation
+  - title: Introduction
     output: web
     folderitems:
     - title: Introduction
@@ -17,6 +17,13 @@ entries:
     - title: Hardware And Software Description
       url: /merlin6/hardware-and-software.html
       output: web
+    - title: Migrating From Merlin5
+      url: /merlin6/migrating.html
+      output: web
+  - title: Accessing Merlin
+    url: /merlin6/accessing-merlin6.html
+    output: web
+    folderitems:
     - title: Requesting Merlin6 Accounts
       url: /merlin6/request-account.html
       output: web
@@ -29,18 +36,22 @@ entries:
     - title: Accessing Slurm Cluster
       url: /merlin6/slurm-access.html
       output: web
+  - title: Merlin6 Slurm
+    url: /merlin6/slurm.html
+    output: web
+    folderitems:
     - title: Slurm Basic Commands
       url: /merlin6/slurm-basics.html
       output: web
     - title: Slurm Configuration
       url: /merlin6/slurm-configuration.html
       output: web
+  - title: Support
+    output: web
+    folderitems:
     - title: Contact
       url: /merlin6/contact.html
       output: web
-    - title: Migration From Merlin5
-      url: /merlin6/migrating.html
-      output: web
     - title: Known Problems and Troubleshooting
       url: /merlin6/troubleshooting.html
       output: web