feat: account live view - basic functionality

lib/accounts/user.ex

@@ -63,6 +63,14 @@ defmodule Mv.Accounts.User do
   actions do
     defaults [:read, :create, :destroy, :update]
 
+    create :create_user do
+      accept [:email]
+    end
+
+    update :update_user do
+      accept [:email]
+    end
+
     read :get_by_subject do
       description "Get a user by the subject claim in a JWT"
       argument :subject, :string, allow_nil?: false