### What changes were proposed in this pull request?
Sub task of CELEBORN-1628.
Mapping for below commands:
```
$ celeborn-ratis sh peer add -peers <P0_HOST:P0_PORT,P1_HOST:P1_PORT,P2_HOST:P2_PORT> [-groupid <RAFT_GROUP_ID>] -address <P4_HOST:P4_PORT,...,PN_HOST:PN_PORT>
```
```
$ celeborn-ratis sh peer remove -peers <P0_HOST:P0_PORT,P1_HOST:P1_PORT,P2_HOST:P2_PORT> [-groupid <RAFT_GROUP_ID>] -address <P0_HOST:P0_PORT,...>
```
```
$ celeborn-ratis sh peer setPriority -peers <P0_HOST:P0_PORT,P1_HOST:P1_PORT,P2_HOST:P2_PORT> [-groupid <RAFT_GROUP_ID>] -addressPriority <P0_HOST:P0_PORT|PRIORITY>
```
### Why are the changes needed?
It is more convenient to apply the ratis operation with RESTful api.
### Does this PR introduce _any_ user-facing change?
No, new api.
### How was this patch tested?
Integration testing. Will provide the screenshot
Add:
<img width="1619" alt="image" src="https://github.com/user-attachments/assets/ab4e24bb-3a99-40da-9972-231c9dc7c46c">
Remove:
<img width="1654" alt="image" src="https://github.com/user-attachments/assets/71133818-3259-47f5-be75-0715efe97361">
Set peer priority:
<img width="1510" alt="image" src="https://github.com/user-attachments/assets/e31b3701-71c1-46fd-872b-5227fb89f6fe">
Closes#2804 from turboFei/peer_raft.
Authored-by: Wang, Fei <fwang12@ebay.com>
Signed-off-by: Shuang <lvshuang.xjs@alibaba-inc.com>
568e335ada