Support creating alert in the chat window

[qianheng-aws]

Description

Support creating alert in the chat window as a follow-up question of alert analysis

Expected results of creating alert in chatbot:

Issues Resolved

https://github.com/opensearch-project/dashboards-assistant/issues/216

Check List

• [ ] New functionality includes testing.
  • [ ] All tests pass, including unit test, integration test.
• [ ] New functionality has user manual doc added.
• [ ] Commits are signed per the DCO using --signoff.

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 89.40%. Comparing base (3991de2) to head (327b68d). Report is 11 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #217 +/- ## ========================================== - Coverage 90.02% 89.40% -0.62% ========================================== Files 54 60 +6 Lines 1433 1623 +190 Branches 347 394 +47 ========================================== + Hits 1290 1451 +161 - Misses 141 169 +28 - Partials 2 3 +1 ```

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