### 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>
