Feature/input box component (#1190)

* Adding new view component for input box

src/sql/workbench/api/common/sqlExtHostTypes.ts

@@ -67,6 +67,7 @@ export enum ModelComponentTypes {
 	NavContainer,
 	FlexContainer,
 	Card,
+	InputBox,
 	DashboardWidget,
 	DashboardWebview
 }
@@ -83,3 +84,13 @@ export interface IItemConfig {
 	componentShape: IComponentShape;
 	config: any;
 }
+
+export enum ComponentEventType {
+	PropertiesChanged,
+	onDidChange
+}
+
+export interface IComponentEventArgs {
+	eventType: ComponentEventType;
+	args: any;
+}