feat(providers): add possibility to override theme too in auth component

Author: jeandat

src/module/components/ngx-auth-firebaseui/auth.component.html

@@ -263,4 +263,4 @@
 
 </mat-tab-group>
 <mat-divider></mat-divider>
-<ngx-auth-firebaseui-providers [providers]="providers"></ngx-auth-firebaseui-providers>
+  <ngx-auth-firebaseui-providers [providers]="providers" [theme]="providersTheme"></ngx-auth-firebaseui-providers>

src/module/components/ngx-auth-firebaseui/auth.component.scss

@@ -1,10 +1,5 @@
 .mat-card {
   margin: 2rem;
-
-  mat-checkbox {
-
-  }
-
 }
 
 .space-top {

src/module/components/ngx-auth-firebaseui/auth.component.ts

@@ -9,7 +9,7 @@ import {
   OnDestroy,
   OnInit,
   Output,
-  PLATFORM_ID,
+import { Theme } from '../providers/auth.providers.component';
   SimpleChanges,
   ViewChild
 } from '@angular/core';
@@ -44,6 +44,9 @@ export class AuthComponent implements OnInit, AfterViewInit, OnChanges, OnDestro
   @ViewChild(MatPasswordStrengthComponent, {static: false}) passwordStrength: MatPasswordStrengthComponent;
 
   @Input() providers: string[] | string = AuthProvider.ALL; //  google, facebook, twitter, github as array or all as one single string
+  @Input() providers: AuthProvider[] | AuthProvider; //  google, facebook, twitter, github as array or all as one single string
+  @Input() providersTheme: Theme; // Classic, Stroked, etc.
+
   @Input() appearance: MatFormFieldAppearance;
   @Input() tabIndex: number | null;
   @Input() registrationEnabled = true;