### What changes were proposed in this pull request?
Fix some typos
### Why are the changes needed?
Ditto
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
-
Closes#1983 from onebox-li/fix-typo.
Authored-by: onebox-li <lyh-36@163.com>
Signed-off-by: zky.zhoukeyong <zky.zhoukeyong@alibaba-inc.com>
### What changes were proposed in this pull request?
### Why are the changes needed?
### Does this PR introduce _any_ user-facing change?
### How was this patch tested?
Closes#1944 from cxzl25/CELEBORN-1009.
Lead-authored-by: sychen <sychen@ctrip.com>
Co-authored-by: Keyong Zhou <zhouky@apache.org>
Signed-off-by: zky.zhoukeyong <zky.zhoukeyong@alibaba-inc.com>
### What changes were proposed in this pull request?
As title
### Why are the changes needed?
As title
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
Manual test
Closes#1795 from cfmcgrady/sbt-docs.
Authored-by: Fu Chen <cfmcgrady@gmail.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>
### What changes were proposed in this pull request?
Fix some typos and grammar
### Why are the changes needed?
Ditto
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
manually test
Closes#1733 from onebox-li/fix-typo.
Authored-by: onebox-li <lyh-36@163.com>
Signed-off-by: zky.zhoukeyong <zky.zhoukeyong@alibaba-inc.com>
### What changes were proposed in this pull request?
Refresh celeborn configurations in doc
### Why are the changes needed?
### Does this PR introduce _any_ user-facing change?
### How was this patch tested?
Closes#1592 from AngersZhuuuu/CELEBORN-680.
Authored-by: Angerszhuuuu <angers.zhu@gmail.com>
Signed-off-by: Angerszhuuuu <angers.zhu@gmail.com>
### What changes were proposed in this pull request?
Add doc about enabling rac-awareness
### Why are the changes needed?
Document new features.
### Does this PR introduce _any_ user-facing change?
Yes, the docs are updated.
### How was this patch tested?
<img width="1085" alt="截屏2023-06-02 下午3 19 10" src="https://github.com/apache/incubator-celeborn/assets/46485123/c8c51a4c-40be-40ea-befd-3c369b9f7600">
Closes#1536 from AngersZhuuuu/CELEBORN-629.
Authored-by: Angerszhuuuu <angers.zhu@gmail.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>
