Problem with angular and camunda

I have a problem respect to camunda with angular. In this case, I writed te form embedded with form inject angular, but when i put the code of source of javascript, the angular module, it is not working in the camunda web at the time of execute the project. This is the code.

start-form.html

Embedded Forms Quickstart

<div class="row">

  <div class="col-xs-6">
    <h2>Loan Data</h2>

    <!-- Loan Type -->
    <form-group>
      <label for="selectLoanType">Type of the loan</label>
      <controls>
        <!--select box -->
        <select required class="form-control" name="loanType" cam-variable-name="loanType"
          cam-variable-type="String" ng-change="calculateLoan()">
          <option value="mortage" checked>Mortage Loan (5%)</option>
          <option value="cashAdvance">Cash Advance (10%)</option>
        </select>
      </controls>
    </form-group>


    <!-- Custom validation message for select box -->
    <p ng-if="variablesForm.loanType.$invalid" style="color: red">
      Please select a loan type.
    </p>
  </div>

  <!-- Loan Amount -->
  <form-group>
    <label for="inputLoanAmount">Amount</label>
    <controls>
      <input required class="form-control" cam-variable-type="Double" cam-variable-name="loanAmount" min="1000"
        ng-change="calculateLoan()" name="loanAmount" type="number" />
    </controls>
  </form-group>

  <!-- Runtime in Years -->
  <form-group>
    <label for="inputLoanRuntime">Runtime (Years)</label>
    <controls>
      <input required class="form-control" cam-variable-type="Double" cam-variable-name="loanRuntime" min="2"
        max="30" ng-change="calculateLoan()" name="loanRuntime" type="number" />
    </controls>
  </form-group>

  <!-- calculate monthly payment -->
  Projected monthly payment:
  <p ng-if="monthlyPayment" class="alert alert-success">
    {{monthlyPayment}}€ at {{interest}}% interest rate.
  </p>

  <p ng-if="!monthlyPayment" class="alert alert-danger">
    Invalid selection.
  </p>

  <!-- The following code demonstrates use of custom scripting.

      The 'cam-script' directive makes sure the the script is loaded and can bind to the angular $scope for the form.

      Access to form fields is provided through $scope.variablesForm.
   -->
  <script cam-script type="text/form-script">
  
  
  $scope.calculateLoan = function() {
    var form = $scope.variablesForm;

    if(!form.loanType.$valid || !form.loanAmount.$valid || !form.loanRuntime.$valid) {
      $scope.monthlyPayment = undefined;

    } else {

      var loanAmount = form.loanAmount.$modelValue;
      var years = form.loanRuntime.$modelValue;
      var loanType = form.loanType.$modelValue;
      var interestRate = 0;

      if(loanType == "mortage") {
        interestRate = 0.05;
      } else if(loanType == "cashAdvance") {
        interestRate = 0.10;
      }

      $scope.interest = 100 * interestRate;

      // calculate monthly payment using special formula provided by Bobby G
      $scope.monthlyPayment = Math.round((loanAmount * ((Math.pow((1+interestRate),years)*interestRate) / (Math.pow((1+interestRate),years)-1))) * (1/12));

    }
  }

</script>

</div>

<div class="col-xs-6">
  <h2>Contact Data</h2>

  <!-- Gender -->
  <form-group>
    <label for="gender">Gender</label>
    <controls>

      <!--select box -->
      <select class="form-control" cam-variable-name="gender" cam-variable-type="String"
        ng-change="calculateLoan()">
        <option value="m" checked>Mr.</option>
        <option value="f">Mrs.</option>
      </select>

    </controls>
  </form-group>

  <!-- Firstname -->
  <form-group>
    <label for="inputFirstname">First Name</label>
    <controls>
      <input class="form-control" required type="text" cam-variable-name="firstname" cam-variable-type="String"
        placeholder="John" ng-minlength="2" ng-maxlength="20" />
    </controls>
  </form-group>

  <!-- Lastname -->
  <form-group>
    <label for="inputLastname">Last Name</label>
    <controls>
      <input class="form-control" required type="text" cam-variable-name="lastname" cam-variable-type="String"
        placeholder="Doe" ng-minlength="2" ng-maxlength="20" />
    </controls>
  </form-group>
  <!-- https://angularjs.org/ -->
  <!-- Email -->
  <form-group>
    <label for="inputEmail">Email</label>
    <controls>
      <input class="form-control" required type="text" cam-variable-name="email" cam-variable-type="String"
        placeholder="john.doe@camunda.org" ng-minlength="2" ng-maxlength="20" />
    </controls>
  </form-group>

  <!-- Address -->
  <form-group>
    <label for="inputAddress">Address</label>
    <controls>
      <textarea class="form-control" cam-variable-name="address" cam-variable-type="String" rows="4"></textarea>
    </controls>
  </form-group>

</div>

</div>

component.js

angular.module(‘components’, [])
.directive(‘form-group’, function() {
return {
restrict: ‘E’,
transclude: true,
scope: {},
template:

’ +
’,
replace: true
};
})
.directive(‘datosNombre’, function() {
return {
restrict: ‘E’,
transclude: true,
scope: {},
template:
’ +
‘<input class=“form-control”’ +
‘required’+
‘type=“text”’ +
‘ng-minlength=“2”’ +
‘ng-maxlength=“20”/>’ +
’,
replace: true
};
})
.directive(‘controls’, function() {
return {
restrict: ‘E’,
transclude: true,
scope: {},
template:
’ +
’,
replace: true
};
})

The component.js not found in the start-form.html. What is the problem respect this?