[DOC] Missing documentation on Mappings

[hdhalter]

What do you want to do?

x Request a change to existing documentation

Tell us about your request. Provide a summary of the request and all versions that are affected. We are missing some information in our content: https://opensearch.org/docs/latest/field-types/index/

Mappings

• [x] Runtime fields
• [x] Metadata fields: _doc_count, _field_names, _ignored, _id, _index, _meta, _routing, _source, _tier, _type
• [x] Mapping parameters: analyzer, boost, coerce, copy_to, doc_values, dynamic, eager_global_ordinals, enabled, format, ignore_above, ignore_malformed, index, index_options, index_phrases, index_prefixes, meta, fields, normalizer, norms, null_value, position_increment_gap, properties, search_analyzer, similarity, store, term_vector
• [x] Mapping limit settings
• [] Removal of mapping types N/A to OpenSearch. This is in Elasticsearch, not OpenSearch.

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

[hdhalter]

Community feedback on mappings: 20230509 | /docs/2.7/field-types/mappings/ | delete a mapping is not provided

[vagimeli]

Dev point of contact = @mgodwan; see PR for real-time status updates