Custom SEO (#154)

* 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

* remvoe fix condition

resources/js/mixins/form_editor/initForm.js

@@ -45,7 +45,10 @@ export default {
         confetti_on_submission: false,
 
         // Security & Privacy
-        can_be_indexed: true
+        can_be_indexed: true,
+
+        // Custom SEO
+        seo_meta: {}
       })
     },
   }