docs(): update usage and examples

core/src/components/content/readme.md

@@ -4,13 +4,6 @@ Content component provides an easy to use content area with some useful methods
 to control the scrollable area. There should only be one content in a single
 view component.
 
-```html
-<ion-content>
-  Add your content here!
-</ion-content>
-
-```
-
 <!-- Auto Generated Below -->
 
 

core/src/components/content/usage/angular.md

@@ -0,0 +1,9 @@
+```html
+<ion-content
+  [scrollEvents]="true"
+  (ionScrollStart)="logScrollStart()"
+  (ionScroll)="logScrolling($event)"
+  (ionScrollEnd)="logScrollEnd()">
+</ion-content>
+```
+

core/src/components/content/usage/javascript.md

@@ -0,0 +1,11 @@
+```html
+<ion-content></ion-content>
+```
+
+```javascript
+var content = document.querySelector('ion-content');
+content.scrollEvents = true;
+content.addEventListener('ionScrollStart', () => console.log('scroll start'));
+content.addEventListener('ionScroll', (ev) => console.log('scroll', ev.detail));
+content.addEventListener('ionScrollEnd', () => console.log('scroll end'));
+```