fix(forms): add missing forms module import (#5530)

src/app/pages/forms/forms.module.ts

@@ -0,0 +1,47 @@
+import { NgModule } from '@angular/core';
+import {
+  NbActionsModule,
+  NbButtonModule,
+  NbCardModule,
+  NbCheckboxModule,
+  NbDatepickerModule, NbIconModule,
+  NbInputModule,
+  NbRadioModule,
+  NbSelectModule,
+  NbUserModule,
+} from '@nebular/theme';
+
+import { ThemeModule } from '../../@theme/theme.module';
+import { FormsRoutingModule } from './forms-routing.module';
+import { FormsComponent } from './forms.component';
+import { FormInputsComponent } from './form-inputs/form-inputs.component';
+import { FormLayoutsComponent } from './form-layouts/form-layouts.component';
+import { DatepickerComponent } from './datepicker/datepicker.component';
+import { ButtonsComponent } from './buttons/buttons.component';
+import { FormsModule as ngFormsModule } from '@angular/forms';
+
+@NgModule({
+  imports: [
+    ThemeModule,
+    NbInputModule,
+    NbCardModule,
+    NbButtonModule,
+    NbActionsModule,
+    NbUserModule,
+    NbCheckboxModule,
+    NbRadioModule,
+    NbDatepickerModule,
+    FormsRoutingModule,
+    NbSelectModule,
+    NbIconModule,
+    ngFormsModule,
+  ],
+  declarations: [
+    FormsComponent,
+    ButtonsComponent,
+    FormInputsComponent,
+    FormLayoutsComponent,
+    DatepickerComponent,
+  ],
+})
+export class FormsModule { }