### What changes were proposed in this pull request? Add swagger editor links for RESTful spec. Fix warn in the spec: Master spec:  Worker spec:  ### Why are the changes needed? To view the spec online. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? <img width="1103" alt="image" src="https://github.com/user-attachments/assets/0118e47d-da2d-43c8-a41d-085cde2ed06f" /> No warn now, see: https://editor-next.swagger.io/?url=https://raw.githubusercontent.com/turbofei/incubator-celeborn/openapi/openapi/openapi-client/src/main/openapi3/master_rest_v1.yaml https://editor-next.swagger.io/?url=https://raw.githubusercontent.com/turbofei/incubator-celeborn/openapi/openapi/openapi-client/src/main/openapi3/worker_rest_v1.yaml Closes #3200 from turboFei/openapi. Authored-by: Wang, Fei <fwang12@ebay.com> Signed-off-by: Shuang <lvshuang.xjs@alibaba-inc.com>
