feat: add mermaid

config/_default/config.toml

@@ -89,3 +89,9 @@ rel  = "sitemap"
   [[module.mounts]]
     source = "node_modules/katex"
     target = "assets/js/vendor/katex"
+  [[module.mounts]]
+    source = "node_modules/mermaid"
+    target = "assets/js/vendor/mermaid"
+  [[module.mounts]]
+    source = "node_modules/mermaid"
+    target = "static/js/vendor/mermaid"

config/_default/params.toml

@@ -72,3 +72,4 @@ editPage = false
   highLight = true
   kaTex = false
   collapsibleSidebar = false
+  mermaid = true

config/postcss.config.js

@@ -22,6 +22,7 @@ module.exports = {
         ...whitelister([
           './assets/scss/components/_buttons.scss',
           './assets/scss/components/_code.scss',
+          './assets/scss/components/_diagrams.scss',
           './assets/scss/components/_syntax.scss',
           './assets/scss/components/_search.scss',
           './assets/scss/common/_dark.scss',