Added opensearch output plugin to converter

[asifsmohammed]

Signed-off-by: Asif Sohail Mohammed [email protected]

Description

• Added OpenSearch output plugin mapping file
• Added an expression in mapping file to support negation of boolean Logstash attribute values

Issues Resolved

Resolves #746
Resolves #710

Check List

• New functionality includes testing.
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed with a real name per the DCO

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[codecov-commenter]

Codecov Report

Merging #754 (7b0af33) into main (cb00d69) will increase coverage by 0.16%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main     #754      +/-   ##
============================================
+ Coverage     91.54%   91.70%   +0.16%     
  Complexity      627      627              
============================================
  Files            75       75              
  Lines          1844     1844              
  Branches        158      158              
============================================
+ Hits           1688     1691       +3     
+ Misses          120      117       -3     
  Partials         36       36              

Impacted Files	Coverage Δ
...java/com/amazon/dataprepper/pipeline/Pipeline.java	92.85% <0.00%> (+4.28%)	⬆️

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[asifsmohammed]

I'll create separate PR's for both the issues addressed in this PR.