📝 Add some new front matter parameters in default archetype.

archetypes/default.md

@@ -40,6 +40,12 @@ tags:
 # 开启文章置顶，数字越小越靠前
 # Sticky post set-top in home page and the smaller nubmer will more forward.
 #weight: 1
+# 开启数学公式渲染，可选值： mathjax, katex
+# Support Math Formulas render, options: mathjax, katex
+#math: mathjax
+# 开启各种图渲染，如流程图，时序图，类图等
+# Enable chart render, such as: flow, sequence, classes etc
+#mermaid: true
 ---
 
 {{ .Name }}