Better webhooks (#155)

* Enable Pro plan - WIP

* no pricing page if have no paid plans

* Set pricing ids in env

* views & submissions FREE for all

* extra param for env

* form password FREE for all

* Custom Code is PRO feature

* Replace codeinput prism with codemirror

* Better form Cleaning message

* Added risky user email spam protection

* fix form cleaning

* Custom SEO

* fix custom seo formcleaner

* Better webhooks

* fix test case

resources/views/mail/form/webhook-error.blade.php

@@ -0,0 +1,15 @@
+@component('mail::message')
+
+Hello,
+
+We tried to trigger a **{{$provider}}** notification for your form "{{$form->title}}", but it failed. Here is the error that we got:
+
+@component('mail::panel')
+{{$error}}
+@endcomponent
+
+Click [here to edit your form]({{$form->edit_url}}).
+
+Contact us via the website live chat if you need any help.
+
+@endcomponent