Issue #2802411: Add project diff and install with default install

composer.json

@@ -121,6 +121,7 @@
     "drupal/google_analytics": "8.2.1",
     
     "drupal/coffee": "8.1.0-beta1",
+    "drupal/diff": "8.1.0-beta1",
     
     "drupal/bootstrap": "8.3.0-rc2",
     "drupal/adminimal_theme": "8.1.1",

drupal-org.make

@@ -255,6 +255,12 @@ projects[coffee][download][type] = git
 projects[coffee][download][url] = https://git.drupal.org/project/coffee
 projects[coffee][download][tag] = 8.x-1.0-beta1
 
+projects[diff][type] = module
+projects[diff][subdir] = "contrib"
+projects[diff][download][type] = git
+projects[diff][download][url] = https://git.drupal.org/project/diff
+projects[diff][download][tag] = 8.x-1.0-beta1
+
 ;;;;;;;;;;;;;;;;;;;;;
 ;; Contrib themes
 ;;;;;;;;;;;;;;;;;;;;;

varbase.info.yml

@@ -87,6 +87,7 @@ dependencies:
   
   # Admin contrib modules.
   - coffee
+  - diff
   
   # Varbase core functionality.
   - varbase_core