Add aria label to purpose form

src/registrar/forms/domain_request_wizard.py

@@ -524,7 +524,9 @@ class DotGovDomainForm(RegistrarForm):
 class PurposeForm(RegistrarForm):
     purpose = forms.CharField(
         label="Purpose",
-        widget=forms.Textarea(),
+        widget=forms.Textarea(attrs={
+            'aria-label': 'What is the purpose of your requested domain? Describe how you’ll use your .gov domain. Will it be used for a website, email, or something else? You can enter up to 2000 characters.'
+        }),
         validators=[
             MaxLengthValidator(
                 2000,

src/registrar/templates/domain_request_purpose.html

@@ -13,7 +13,7 @@
 {% endblock %}
 
 {% block form_fields %}
-    {% with attr_maxlength=2000 add_label_class="usa-sr-only" %}
+    {% with add_aria_label="test" attr_maxlength=2000 add_label_class="usa-sr-only" %}
       {% input_with_errors forms.0.purpose %}
     {% endwith %}
 {% endblock %}

src/registrar/templates/includes/input_with_errors.html

@@ -69,6 +69,8 @@ error messages, if necessary.
 
   {# this is the input field, itself #}
   {% include widget.template_name %}
+  
+  
 
   {% if append_gov %}
       <span class="padding-top-05 padding-left-2px">.gov </span>