feat: 新增 Mermaid 圖表功能的選項，支持在新標籤頁中打開和縮放平移互動

fix: 更新插件版本以修正相容性問題
refactor: 優化代碼結構，提升可讀性

_config.yml

@@ -319,6 +319,7 @@ aside:
     # If set 0 will show all
     limit: 40
     color: false
+    custom_colors:
     # Order of tags, random/name/length
     orderby: random
     # Sort of order. 1, asc for ascending; -1, desc for descending
@@ -939,6 +940,10 @@ mermaid:
   theme:
     light: default
     dark: dark
+  # Enable "Open in New Tab" button to view diagram in a separate window
+  open_in_new_tab: true
+  # Enable zoom and pan interactions on diagrams
+  zoom_pan: true
 
 # chartjs
 # see https://www.chartjs.org/docs/latest/