(function(){

angular.module('appsimples', [])
.controller('HomeController', function($scope) {
    $scope.nome = 'AngularJS';
});    
    
})();
<!DOCTYPE html>
<html lang="pt-br" ng-app="appsimples">

  <head>
    <meta charset="utf-8" />
    <title>App Simples</title>
    <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css" />
    <link rel="stylesheet" href="style.css" />

    <script>document.write('<base href="' + document.location + '" />');</script>
    <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.4.6/angular.min.js"></script>

    <script src="app.js"></script>
  </head>

  <body ng-controller="HomeController">
        <div class="container">
            <p>Hello {{nome}}!</p>
        </div>
  </body>

</html>
/* Put your css in here */