chore(*): adding pinning interface export for lib

Author: ChronosSF

projects/igniteui-angular/src/lib/grids/common/grid.interface.ts

@@ -67,8 +67,3 @@ export interface GridType extends IGridDataBindable {
     isDetailRecord(rec: any): boolean;
     isGroupByRecord(rec: any): boolean;
 }
-
-export interface IPinningConfig {
-    columns?: ColumnPinningPosition;
-    rows?: RowPinningPosition;
-}

projects/igniteui-angular/src/lib/grids/grid.common.ts

@@ -3,6 +3,7 @@ import { ConnectedPositioningStrategy } from '../services';
 import { VerticalAlignment, PositionSettings } from '../services/overlay/utilities';
 import { scaleInVerBottom, scaleInVerTop } from '../animations/main';
 import { IgxForOfSyncService } from '../directives/for-of/for_of.sync.service';
+import { ColumnPinningPosition, RowPinningPosition } from './common/enums';
 
 
 @Directive({
@@ -19,6 +20,14 @@ export interface RowEditPositionSettings extends PositionSettings {
     container?: HTMLElement;
 }
 
+/**
+ * An interface describing settings for row/column pinning position.
+ */
+export interface IPinningConfig {
+    columns?: ColumnPinningPosition;
+    rows?: RowPinningPosition;
+}
+
 /**
  * @hidden
  */