[DOC] Terms and Significant Terms aggs docs are missing several search parameters and explanations

[jed326]

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 following parameters are either missing or need additional details:

• size
• shard_size
• show_term_doc_count_error
• min_doc_count
• shard_min_doc_count

See:

• https://opensearch.org/docs/latest/aggregations/bucket/terms/
• https://opensearch.org/docs/latest/aggregations/bucket/significant-terms/
• https://opensearch.org/docs/latest/aggregations/bucket/significant-text/

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

[jed326]

@opensearch-project/docs I can provide a first draft for this issue!

[jed326]

It looks like the terms part of this issue has already been captured in a separate issue:

• [DOC] Terms (sub-)aggregation missing some low level parameters and accuracy details #5046