Merge pull request #5774 from IgniteUI/rkaraivanov/reexport-to-public-api

fix(igx-grid): Re-export enumerations

Author: zdrawku

projects/igniteui-angular/src/public_api.ts

@@ -67,6 +67,8 @@ export * from './lib/drop-down/index';
 export * from './lib/grids/grid/index';
 export * from './lib/grids/tree-grid/index';
 export * from './lib/grids/hierarchical-grid/index';
+export * from './lib/grids/common/enums';
+export * from './lib/grids/common/templates';
 export * from './lib/icon/index';
 export * from './lib/input-group/index';
 export * from './lib/list/index';