directive for the letter avatar for the given string like gmail, first letter of the given data will be the avatar
<html>
<head>
<script src="bower_components/angular/angular.min.js"></script>
<script src="bower_components/ng-letter-avatar/dist/ngletteravatar.min.js"></script>
<script>
var app = angular.module('myApp', ['ngLetterAvatar']);`
</script>
</head>
<body ng-app="myApp">
<p>Prabhu
<ng-letter-avatar data="uttesh"></ng-letter-avatar>
</p>
</body>
</html>