Zapier integration (#491)

* create zapier app

* install sanctum

* move OAuthProviderController

* make `api-external` middleware

* add zapier endpoints

* add tests

* token management

* zapier event handler

* add policy

* use `slug` instead of `id`

* wip

* check policies

* change api prefix to `external`

* ui tweaks

* validate token abilities

* open zapier URL

* zapier ui tweaks

* update zap

* Fix linting

* Added sample endpoints + minor UI changes

* Run PHP code linter

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Co-authored-by: Julien Nahum <julien@nahum.net>

tests/Feature/Forms/ConfirmationEmailTest.php

@@ -4,6 +4,7 @@ use App\Mail\Forms\SubmissionConfirmationMail;
 use Illuminate\Support\Facades\Mail;
 
 it('creates confirmation emails with the submitted data', function () {
+    $this->withoutExceptionHandling();
     $user = $this->actingAsUser();
     $workspace = $this->createUserWorkspace($user);
     $form = $this->createForm($user, $workspace);