[DOC] Add documentation for missing Data Prepper plugins

[lizsnyder]

What do you want to do?

• Request a change to existing documentation
• Add new documentation
• Report a technical problem with the documentation
• Other

Tell us about your request. Provide a summary of the request and all versions that are affected.

The DP processor docs are missing documentation for the following plugins:

• Mutate events
• Mutate strings
• OTel metrics string
• OTel trace group processor
• Parse JSON
• Trace peer forwarder

What other resources are available? Provide links to related issues, POCs, steps for testing, etc.

For the full plugin reference and documentation, see https://github.com/opensearch-project/data-prepper/tree/main/data-prepper-plugins

[hdhalter]

Thanks for entering this, Liz. What is the delivery date for your content?

[asifsmohammed]

Hey, please take a look at the readme files of above plugins for reference

• Mutate event processor https://github.com/opensearch-project/data-prepper/tree/main/data-prepper-plugins/mutate-event-processors#readme
• Mutate string processor https://github.com/opensearch-project/data-prepper/blob/main/data-prepper-plugins/mutate-string-processors/README.md
• OTel trace group processor https://github.com/opensearch-project/data-prepper/tree/main/data-prepper-plugins/otel-trace-group-processor#readme
• Parse JSON processor https://github.com/opensearch-project/data-prepper/blob/main/data-prepper-plugins/parse-json-processor/README.md
• OTel metrics string processor -https://github.com/opensearch-project/data-prepper/blob/main/data-prepper-plugins/otel-metrics-raw-processor/README.md
• Trace peer forwarder processor https://github.com/opensearch-project/data-prepper/blob/main/data-prepper-plugins/trace-peer-forwarder-processor/README.md

[hdhalter]

Hi Caroline @carolxob - Will you be able to take this over? They've moved the release date to March 14, so the new deadline is March 8.

[carolxob]

Hi Caroline @carolxob - Will you be able to take this over? They've moved the release date to March 14, so the new deadline is March 8.

Sure, I'm on it.

[hdhalter]

This is complete. https://opensearch.org/docs/latest/data-prepper/pipelines/configuration/processors/processors/