* feat: support function-format parameters in Insight Data API
* chore: update license header
* chore: format code
* feat: return `complex_fields` in the view API
* feat: include system cluster rollup setting in App Settings API response
* chore: update release notes
* fix: remove func `sum_func_value_in_group` from using aggregation `date_histogram`
* fix: generate unique group id for aggregation name
* fix: sort not work when using function `sum_func_value_in_group`
* feat: update view template
* chore: code format
* chore: remove fetch-depth
* chore: add format and lint
* chore: add pr_check
* fix: lint with config
* chore: this pr only unit test
* fix: code format error
* feat: refactor the Insight data API to support metric aggregation for multiple data inputs
* fix: bucket sorting issue when a sub-aggregation contains a `date_histogram`
* feat: add insight metric CRUD api
* fix: empty value of metric
* fix: incorrect grouping results
* feat: add builtin metric template
* fix: bucket sort when aggregation with P99
* chore: update group size
* chore: update release notes
* chore: update release notes
* chore: update release notes
* chore: update group size