feat: Add empty content module (#111)

* Add empty content module

* Make Bene Happy again

views/landingPage.pug

@@ -5,6 +5,7 @@ include mixins/_editorialFeatures
 include mixins/_moduleCopy
 include mixins/_moduleHeroImage
 include mixins/_moduleHighlightedCourse
+include mixins/_emptyModule
 
 block content
   if currentPath !== '/'
@@ -13,13 +14,16 @@ block content
   .layout-centered
     +editorialFeatures(landingPage)
   .modules-container
-    each module in landingPage.fields.contentModules
-      case module.sys.contentType.sys.id
-        when 'layoutCopy'
-          +moduleCopy(module)
+    if landingPage.fields.contentModules.length
+      each module in landingPage.fields.contentModules
+        case module.sys.contentType.sys.id
+          when 'layoutCopy'
+            +moduleCopy(module)
 
-        when 'layoutHeroImage'
-          +moduleHeroImage(module)
+          when 'layoutHeroImage'
+            +moduleHeroImage(module)
 
-        when 'layoutHighlightedCourse'
-          +moduleHighlightedCourse(module, module.fields.course)
+          when 'layoutHighlightedCourse'
+            +moduleHighlightedCourse(module, module.fields.course)
+    else
+      +emptyModule()