feat(csv-parse): add columns property in Info object type (#390)

* fix(ts): Add `columns` property in `Info` object type

* Add disabled options to columns type

Author: eliamaino-fp

packages/csv-parse/lib/index.d.ts

@@ -234,6 +234,10 @@ export interface Info {
      * Number of non uniform records when `relax_column_count` is true.
      */
     readonly invalid_field_length: number;
+    /**
+     * Normalized verion of `options.columns` when `options.columns` is true, boolean otherwise.
+     */
+    readonly columns: boolean | { name: string }[] | { disabled: true }[];
 }
 
 export type CsvErrorCode =