feat: add UI for settings and app configuration (#90)

Add settings and app configuration UI for web app and self service
applications.

src/app/settings/settings.module.ts

@@ -0,0 +1,18 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+
+import { CoreModule } from '../core';
+import { SettingsRoutingModule } from './settings-routing.module';
+import { SettingsComponent } from './settings.component';
+import { SharedModule } from '../shared/shared.module';
+
+@NgModule({
+  imports: [
+    CommonModule,
+    CoreModule,
+    SharedModule,
+    SettingsRoutingModule
+  ],
+  declarations: [SettingsComponent]
+})
+export class SettingsModule { }