test: further simplify site output

wowchemy/config.yaml

@@ -25,6 +25,7 @@ module:
       target: i18n
     - source: archetypes
       target: archetypes
+taxonomies: []
 params:
   theme: minimal
   font: native

wowchemy/test/config.yaml

@@ -6,3 +6,7 @@ outputs:
   home: [HTML, RSS, JSON, WebAppManifest]
 params:
   require_isotope: false
+  main_menu:
+    enable: false
+  cms:
+    netlify_cms: false

wowchemy/test/content/home/index.md

@@ -1,3 +1,4 @@
 ---
 type: widget_page
+headless: true
 ---