### What this PR does / why we need it?
1. Enable pymarkdown check
2. Enable python `__init__.py` check for vllm and vllm-ascend
3. Make clean code
### How was this patch tested?
- vLLM version: v0.9.2
- vLLM main:
29c6fbe58c
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Signed-off-by: wangli <wangli858794774@gmail.com>
### What this PR does / why we need it?
Add developer guide for using OpenCompass
### Does this PR introduce _any_ user-facing change?
no
### How was this patch tested?
test manually
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Signed-off-by: hfadzxy <starmoon_zhang@163.com>
Signed-off-by: Yikun Jiang <yikunkero@gmail.com>
Co-authored-by: Yikun Jiang <yikunkero@gmail.com>
