docs: add hellogithub to contributors lists

1.add recommend-by-hellogithub badge to contributors lists
2. hellogithub links:

- https://github.com/521xueweihan/HelloGitHub/blob/master/content/HelloGitHub112.md
- https://hellogithub.com/repository/Sunrisepeak/mcpp-standard

3. hellogithub commit:

- 521xueweihan/HelloGitHub@50841b5#diff-bd47fd59a748c4e38546e0507f684fa794be81ca00632f9b4dd5374a98d33b42

Co-authored-by: SPeak <[email protected]>
Signed-off-by: sunrisepeak <[email protected]>

Author: 521xueweihan

README.md

@@ -172,4 +172,6 @@ d2x update
 
 <a href="https://github.com/Sunrisepeak/mcpp-standard/graphs/contributors">
   <img src="https://contrib.rocks/image?repo=Sunrisepeak/mcpp-standard" />
-</a>
+</a>
+
+<a href="https://hellogithub.com/repository/Sunrisepeak/mcpp-standard" target="_blank"><img src="https://api.hellogithub.com/v1/widgets/recommend.svg?rid=7877f7cb12e940a5a432d49c19a360df&claim_uid=aNLTSv91Awj8ruX&theme=dark" alt="Featured｜HelloGitHub" style="width: 250px; height: 54px;" width="250" height="54" /></a>