[DOCS] Reformat index API documentation #43765
Description
Where possible, we should standardize our index API documentation to match the Elastic API reference template.
Relates to elastic/docs#937.
Index APIs to rewrite
- Create Index ([DOCS] Reformat create index API docs #45749)
- Delete Index ([DOCS] Reformat delete index API docs #45755)
- Get Index ([DOCS] Reformat get index API docs #45758)
- Indices Exists ([DOCS] Reformat indices exists API docs #45918)
- Close Index API ([DOCS] Separate and reformat close index API docs #45922)
- Open Index API ([DOCS] Reformat open index API docs #45921)
- Shrink Index ([DOCS] Reformat shrink index API docs #46711)
- Split Index ([DOCS] Reformat split index API docs #46713)
- Rollover Index ([DOCS] Reformat rollover index API docs #46778)
- Clone Index ([DOCS] Reformat clone index API docs #46762)
- Put Mapping ([DOCS] Reformat put mapping API docs #45709)
- Get Mapping ([DOCS] Reformat get mapping API. Reformat and reuse multi-index params. #45699)
- Get Field Mapping ([DOCS] Reformat get field mapping API docs #45700)
- Types Exists ([DOCS] Reformat type exists API docs #47601)
- Add index alias ([DOCS] Separate add index alias API docs #46086)
- Delete index alias ([DOCS] Add delete index alias API docs #46080)
- Get index alias ([DOCS] Add get index alias API docs #46046)
- Index alias exists ([DOCS] Add index alias exists API docs #46042)
- Update index alias ([DOCS] Reformat update index aliases API docs #46093)
- Update Indices Settings ([DOCS] Reformat update index settings API docs #45931)
- Get Settings ([DOCS] Reformat get index settings API docs #45924)
- Analyze ([DOCS] Reformats analyze API #45986)
- Put index template ([DOCS] Reformat "put index template" API docs #46297)
- Delete index template ([DOCS] Add "delete index template" API docs #46101)
- Get index template ([DOCS] Add "get index template" API docs #46296)
- Index template exists ([DOCS] Add "index template exists" API docs #46095)
- Indices Stats ([DOCS] Reformat index stats API docs #46322)
- Indices Segments ([DOCS] Reformat index segments API docs #46345)
- Indices Recovery ([DOCS] Reformat index recovery API docs #46493)
- Indices Shard Stores ([DOCS] Reformat index shard stores API docs #46504)
- Clear Cache ([DOCS] Reformat clear cache API docs #46512)
- Flush ([DOCS] Reformat flush API docs #46875)
- Synced flush ([DOCS] Separate and reformat synced flush API docs #46634)
- Refresh ([DOCS] Separate and reformat synced flush API docs #46634)
- Force Merge ([DOCS] Reformat force merge API docs #46685)