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

fix demo compile errors, tslint errors

demos/src/button/AppModule.ts

@@ -0,0 +1,31 @@
+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/button/main.html

@@ -0,0 +1,68 @@
+<ion-header>
+
+  <ion-navbar>
+    <ion-title>Button</ion-title>
+  </ion-navbar>
+
+</ion-header>
+
+
+<ion-content text-center>
+
+  <h4>Colors</h4>
+
+  <button ion-button>Default</button>
+
+  <button ion-button color="secondary">Secondary</button>
+
+  <button ion-button color="danger">Danger</button>
+
+  <button ion-button color="light">Light</button>
+
+  <button ion-button color="dark">Dark</button>
+
+  <h4>Shapes</h4>
+
+  <button ion-button full>Full Button</button>
+
+  <button ion-button block>Block Button</button>
+
+  <button ion-button round>Round Button</button>
+
+  <button ion-button fab style="position: relative;">FAB</button>
+
+  <h4>Outlines</h4>
+
+  <button ion-button color="secondary" full outline>Outline + Full</button>
+
+  <button ion-button color="secondary" block outline>Outline + Block</button>
+
+  <button ion-button color="secondary" round outline>Outline + Round</button>
+
+  <button ion-button color="secondary" fab outline style="position: relative;">FAB</button>
+
+  <h4>Icons</h4>
+
+  <button ion-button icon-left color="dark">
+    <ion-icon name="star"></ion-icon>
+    Left Icon
+  </button>
+
+  <button ion-button icon-right color="dark">
+    Right Icon
+    <ion-icon name="star"></ion-icon>
+  </button>
+
+  <button ion-button icon-only color="dark">
+    <ion-icon name="star"></ion-icon>
+  </button>
+
+  <h4>Sizes</h4>
+
+  <button ion-button color="light" large>Large</button>
+
+  <button ion-button color="light">Default</button>
+
+  <button ion-button color="light" small>Small</button>
+
+</ion-content>