chore(build): fix demo compile errors, tslint errors

fix demo compile errors, tslint errors

demos/src/slides/AppModule.ts

@@ -0,0 +1,30 @@
+import { Component, NgModule } from '@angular/core';
+import { IonicApp, IonicModule } from 'ionic-angular';
+
+@Component({
+  templateUrl: 'main.html'
+})
+export class ApiDemoPage {}
+
+
+@Component({
+  template: '<ion-nav [root]="root"></ion-nav>'
+})
+export class ApiDemoApp {
+  root = ApiDemoPage;
+}
+
+@NgModule({
+  declarations: [
+    ApiDemoApp,
+    ApiDemoPage
+  ],
+  imports: [
+    IonicModule.forRoot(ApiDemoApp)
+  ],
+  bootstrap: [IonicApp],
+  entryComponents: [
+    ApiDemoPage
+  ]
+})
+export class AppModule {}

demos/src/slides/main.html

@@ -0,0 +1,5 @@
+<ion-slides loop="true" style="background-color: black">
+  <ion-slide *ngFor="let image of [1,2,3,4,5]">
+    <img data-src="./slide{{image}}.jpeg">
+  </ion-slide>
+</ion-slides>