Add open graph block preview page

frontend/src/app/app-routing.module.ts

@@ -4,8 +4,10 @@ import { StartComponent } from './components/start/start.component';
 import { TransactionComponent } from './components/transaction/transaction.component';
 import { BlockComponent } from './components/block/block.component';
 import { BlockAuditComponent } from './components/block-audit/block-audit.component';
+import { BlockPreviewComponent } from './components/block/block-preview.component';
 import { AddressComponent } from './components/address/address.component';
 import { MasterPageComponent } from './components/master-page/master-page.component';
+import { MasterPagePreviewComponent } from './components/master-page-preview/master-page-preview.component';
 import { AboutComponent } from './components/about/about.component';
 import { StatusViewComponent } from './components/status-view/status-view.component';
 import { TermsOfServiceComponent } from './components/terms-of-service/terms-of-service.component';
@@ -23,7 +25,7 @@ import { AssetComponent } from './components/asset/asset.component';
 import { AssetsNavComponent } from './components/assets/assets-nav/assets-nav.component';
 
 let routes: Routes = [
-  { 
+  {
     path: 'testnet',
     children: [
       {
@@ -315,6 +317,16 @@ let routes: Routes = [
       },
     ],
   },
+  {
+    path: 'preview',
+    component: MasterPagePreviewComponent,
+    children: [
+      {
+        path: 'block/:id',
+        component: BlockPreviewComponent
+      },
+    ],
+  },
   {
     path: 'status',
     component: StatusViewComponent
@@ -576,4 +588,3 @@ if (browserWindowEnv && browserWindowEnv.BASE_MODULE === 'liquid') {
   })],
 })
 export class AppRoutingModule { }
-