minor fixes

- update URLs
- fix news URL in topnav
- fix news post URL on overview page

_data/sidebars/home_sidebar.yml

@@ -13,12 +13,12 @@ entries:
     - title: News
       url: /news.html
       output: web
-    - title: The Production Merlin6 HPC Cluster
-      url: /merlin6/introduction.html
-      output: web
-    - title: The Merlin7 HPC Cluster (W.I.P.)
+    - title: Merlin7 HPC Cluster (W.I.P.)
       url: /merlin7/introduction.html
       output: web
+    - title: Merlin6 HPC Cluster
+      url: /merlin6/introduction.html
+      output: web
     - title: PSI HPC@CSCS
       url: /CSCS/index.html
       output: web

_data/topnav.yml

@@ -6,7 +6,7 @@ topnav:
       # - title: GitHub
       #   external_url: https://github.com/tomjoht/documentation-theme-jekyll
       - title: News
-        url: /news
+        url: /news.html
 
 #Topnav dropdowns
 topnav_dropdowns: