fix: set generic type for ModuleWithProviders

Usage without a generic type is deprecated for ModuleWithProviders.
See https://angular.io/api/core/ModuleWithProviders

Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>

Author: Juneezee

Diff for: angular/src/super-tabs.module.ts

@@ -17,7 +17,7 @@ export const DECLARATIONS = [
   imports: [CommonModule],
 })
 export class SuperTabsModule {
-  static forRoot(): ModuleWithProviders {
+  static forRoot(): ModuleWithProviders<SuperTabsModule> {
     return {
       ngModule: SuperTabsModule,
       providers: [