feat(centers && groups) : Centers and groups list (#238)

*feat(centers && groups) : Centers and groups list (#238)

src/app/centers/centers.module.ts

@@ -0,0 +1,28 @@
+import { NgModule, CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { HttpModule } from '@angular/http';
+import { FormsModule, ReactiveFormsModule } from '@angular/forms';
+import { CoreModule } from '../core/core.module';
+import { MatTableModule } from '@angular/material/table';
+import { FlexLayoutModule } from '@angular/flex-layout';
+
+import { CentersComponent } from './centers.component';
+import { CentersRoutingModule } from 'app/centers/centers-routing.module';
+import { CentersService } from './centers.service';
+
+@NgModule({
+  imports: [
+    CoreModule,
+    CommonModule,
+    CentersRoutingModule,
+    FormsModule,
+    MatTableModule,
+    FlexLayoutModule
+
+  ],
+  declarations: [CentersComponent],
+  schemas: [
+    CUSTOM_ELEMENTS_SCHEMA
+  ]
+})
+export class CentersModule { }