Feature: Introduce Super Admins (#705)

* Feature: Introduce Super Admins

- added new devise model for super user
- added administrate gem
- sample dashboards for users and accounts

Co-authored-by: Pranav Raj Sreepuram <pranavrajs@gmail.com>

app/builders/account_builder.rb

@@ -2,7 +2,7 @@
 
 class AccountBuilder
   include CustomExceptions::Account
-  pattr_initialize [:account_name!, :email!]
+  pattr_initialize [:account_name!, :email!, :confirmed!]
 
   def perform
     validate_email
@@ -46,6 +46,7 @@ class AccountBuilder
                      password: password,
                      password_confirmation: password,
                      name: email_to_name(@email))
+    @user.confirm if @confirmed
     if @user.save!
       link_user_to_account(@user, @account)
       @user