* Change host alert function name to json
* Refactored *_alert_store function with format_json, added csv format tohost alert
* Added .vscode directory to gitignore
* Refactor alert_store:to_csv function to single loop format
* Removed no_data value for no records in alert csv download
* Implemented csv export for alerts
* Merge with dev
* Removed row_id alert field to be exported in csv
* Refactored alert/*/list.lua with simple decision value format construct
* Refactored alerts csv export
* Fix removed output test files
* Added alert csv export for subdocuments
* Modified gitignore