docs: update weekly4

[everyman99]

增加了官方重要动态

[peter-jerry-ye-code-review]

Inconsistent list item indentation

Category
Maintainability
Code Snippet

• 福利：官方认证大使证书、持续培训与支持...
• 流程：报名 → 简历审核 → Package 提交审核...
  Recommendation
  Keep consistent indentation (2 spaces) for all bullet points at the same level
  Reasoning
  Consistent indentation improves readability and makes the document structure clearer

Inconsistent link formatting

Category
Maintainability
Code Snippet
lijunchen vs moonbit-esp32
Recommendation
Add consistent spacing around link text across the document
Reasoning
Consistent formatting makes the document more professional and easier to maintain

Missing explicit section headers

Category
Maintainability
Code Snippet

• MoonBit 地区大使招募开启！
• MoonBit 支持国产芯片开发--性能媲美 C
  Recommendation
  Add clear section headers (e.g. ## Recent Updates, ## Ambassador Program) to organize content
  Reasoning
  Section headers improve document structure and make it easier to navigate and reference specific content