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/醪糟小汤圆.md

@@ -23,11 +23,11 @@
 
 ## 操作
 
-* 将水倒入锅中并煮沸
-* 放入小汤圆煮 8 分钟
-* 放入醪糟和枸杞再煮 2 分钟
-* 盛入碗中根据个人口味加入白糖并搅拌均匀
-* 吃
+1. 将水倒入锅中并煮沸
+2. 放入小汤圆煮 8 分钟
+3. 放入醪糟和枸杞再煮 2 分钟
+4. 盛入碗中根据个人口味加入白糖并搅拌均匀
+5. 吃
 
 ## 附加内容