[FEATURE] Implement the logic for searching the detector

[owaiskazi19]

Is your feature request related to a problem?

The rest handler created in #213 needs to search for if the detector is created already or not. For searching needs to make a SearchRequest call.

• SearchRequest to find detector with the detector id
• Register Modules in SDKClient for Jackson Parsing
• Handle Jackson Parsing in OpenSearch
• CreateXContentParser for get detector response
• ensureExpectedToken
• parse -> detector
• Response

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[owaiskazi19]

This issue depends on #285