feat(auth): configurable auth social icons (#1545)

Closes #1515

.angular-cli.json

@@ -29,6 +29,7 @@
         "../node_modules/roboto-fontface/css/roboto/roboto-fontface.css",
         "../node_modules/ionicons/scss/ionicons.scss",
         "../node_modules/font-awesome/scss/font-awesome.scss",
+        "../node_modules/socicon/css/socicon.css",
         "../node_modules/nebular-icons/scss/nebular-icons.scss",
         "../node_modules/pace-js/templates/pace-theme-flash.tmpl.css",
         "./app/@theme/styles/styles.scss"

package.json

@@ -66,6 +66,7 @@
     "pace-js": "1.0.2",
     "roboto-fontface": "0.8.0",
     "rxjs": "5.5.5",
+    "socicon": "3.0.5",
     "tinymce": "4.5.7",
     "typeface-exo": "0.0.22",
     "web-animations-js": "2.2.5",

src/app/@core/core.module.ts

@@ -8,6 +8,24 @@ import { throwIfAlreadyLoaded } from './module-import-guard';
 import { DataModule } from './data/data.module';
 import { AnalyticsService } from './utils/analytics.service';
 
+const socialLinks = [
+  {
+    url: 'https://github.com/akveo/nebular',
+    target: '_blank',
+    icon: 'socicon-github',
+  },
+  {
+    url: 'https://www.facebook.com/akveo/',
+    target: '_blank',
+    icon: 'socicon-facebook',
+  },
+  {
+    url: 'https://twitter.com/akveo_inc',
+    target: '_blank',
+    icon: 'socicon-twitter',
+  },
+];
+
 const NB_CORE_PROVIDERS = [
   ...DataModule.forRoot().providers,
   ...NbAuthModule.forRoot({
@@ -22,6 +40,14 @@ const NB_CORE_PROVIDERS = [
         },
       },
     },
+    forms: {
+      login: {
+        socialLinks: socialLinks,
+      },
+      register: {
+        socialLinks: socialLinks,
+      },
+    },
   }).providers,
   NbSecurityModule.forRoot({
     accessControl: {