feat: enable mermaid diagrams

Change-Id: I684cb008592ce4be60781a33d1149916495a6689

Author: shentongmartin

config.toml

@@ -161,6 +161,12 @@ offlineSearch = false
 # Enable syntax highlighting and copy buttons on code blocks with Prism
 prism_syntax_highlighting = true
 
+# Mermaid diagrams configuration
+[params.mermaid]
+enable = true
+theme = "default"
+securitylevel = "strict"
+
 # User interface configuration
 [params.ui]
 # Enable to show the side bar menu in its compact state.