Added search request/response processors.

[dblock]

Description

Added the simpler search response processors.

Taking over and finishing #440. The split processor doesn't seem to work, opened opensearch-project/OpenSearch#15229.

Issues Resolved

Closes #440.

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[github-actions]

Changes Analysis

Commit SHA: 85ababf
Comparing To SHA: 09824d0

API Changes

Summary

└─┬Components
  ├──[➕] schemas (48828:7)
  ├──[➕] schemas (48861:7)
  ├──[➕] schemas (48777:7)
  ├──[➕] schemas (49087:7)
  ├──[➕] schemas (48987:7)
  ├──[➕] schemas (48751:7)
  ├──[➕] schemas (48907:7)
  ├──[➕] schemas (49107:7)
  ├──[➕] schemas (48916:7)
  ├──[➕] schemas (49070:7)
  ├──[➕] schemas (48929:7)
  └─┬search_pipeline._common:SearchPipelineStructure
    └─┬response_processors
      └─┬Schema
        └──[🔀] $ref (48930:9)❌ 

Document Element	Total Changes	Breaking Changes
components	12	1

• ❌ BREAKING Changes: 1 out of 12
• Modifications: 1
• Additions: 11
• Breaking Modifications: 1

Report

The full API changes report is available at: https://github.com/opensearch-project/opensearch-api-specification/actions/runs/10375188830/artifacts/1807995138

API Coverage

	Before	After	Δ
Covered (%)	524 (51.32 %)	524 (51.32 %)	0 (0 %)
Uncovered (%)	497 (48.68 %)	497 (48.68 %)	0 (0 %)
Unknown	26	26	0

[github-actions]

Spec Test Coverage Analysis

Total	Tested
550	214 (38.91 %)