chore: add lint rules for ordered lists in 操作 section and no HTML comments

- Enforce ordered lists (1. 2. 3.) in ## 操作 sections
- Forbid HTML comments in recipe files (template exempted)
- Convert all existing dishes to comply with new rules
- Fix vague measurements (少许 → 2段葱段) in 南派红烧肉
- Fix markdownlint MD032 (blanks around lists) across all files

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

dishes/staple/酱拌荞麦面/酱拌荞麦面.md

@@ -22,9 +22,9 @@
 
 ## 操作
 
-* 荞麦面下冷水煮熟，8-10 分钟 后捞出沥干备用
-* 黄瓜、萝卜 切成小条
-* 将荞麦面、黄瓜、萝卜放入盘子，放上老干妈，搅拌
+1. 荞麦面下冷水煮熟，8-10 分钟 后捞出沥干备用
+2. 黄瓜、萝卜 切成小条
+3. 将荞麦面、黄瓜、萝卜放入盘子，放上老干妈，搅拌
 
 ![示例菜成品](./1.jpeg)
 ![示例菜成品](./2.jpeg)