Update archetypes to YAML

archetypes/default.md

@@ -1,7 +1,7 @@
-+++
-title =  "{{ replace .TranslationBaseName "-" " " | title }}"
-date = {{ .Date }}
-tags = []
-featured_image = ""
-description = ""
-+++
+---
+title: "{{ replace .TranslationBaseName "-" " " | title }}"
+date: {{ .Date }}
+tags: []
+featured_image: ""
+description: ""
+---