Support to get kyuubi server event with RESTful api

[turboFei]

Why are the changes needed?

Support to get kyuubi server event with RESTful api

How was this patch tested?

UT.

Was this patch authored or co-authored using generative AI tooling?

No.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 98 lines in your changes missing coverage. Please review.
✅ Project coverage is 0.00%. Comparing base (3b205a3) to head (2ee76ce).
⚠️ Report is 13 commits behind head on master.

Files with missing lines	Patch %	Lines
...he/kyuubi/client/api/v1/dto/KyuubiServerEvent.java	0.00%	62 Missing ⚠️
.../scala/org/apache/kyuubi/server/api/ApiUtils.scala	0.00%	21 Missing ⚠️
...in/scala/org/apache/kyuubi/config/KyuubiConf.scala	0.00%	10 Missing ⚠️
...in/java/org/apache/kyuubi/client/AdminRestApi.java	0.00%	3 Missing ⚠️
.../scala/org/apache/kyuubi/server/KyuubiServer.scala	0.00%	1 Missing ⚠️
...rg/apache/kyuubi/server/api/v1/AdminResource.scala	0.00%	1 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff           @@
##           master   #7232   +/-   ##
======================================
  Coverage    0.00%   0.00%           
======================================
  Files         696     697    +1     
  Lines       43530   43628   +98     
  Branches     5883    5896   +13     
======================================
- Misses      43530   43628   +98     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.