### What this PR does / why we need it?
This PR adds the releaseing note skills:
- `SKILL.md`: vLLM Ascend Releasing Note Writer
- `references/ref-past-release-notes-highlight.md`:
And also add a `output/v0.13.0` examples which was used by
2da476d82f
Inspired: https://github.com/simon-mo/release-notes-writing/
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
- vLLM version: v0.15.0
- vLLM main:
83b47f67b1
Co-authored-by: esmeetu <jasonailu87@gmail.com>
---------
Signed-off-by: Yikun Jiang <yikunkero@gmail.com>
