Add model serializer and coreid login provider

src/resources/views/auth/message.pug

@@ -1,8 +1,11 @@
-extends ./theme
+extends ../base
 
 block content
+    .offset(style='padding-top: 20vh')
     if heading
-        h3.login-heading.mb-4 #{heading}
+        h3.login-heading #{heading}
+    else
+        h3.login-heading #{config('app.name') || ''}
 
     if errors
         each error in errors
@@ -10,3 +13,6 @@ block content
 
     if message
         p #{message}
+
+    if buttonText && buttonUrl
+        a.button(href=buttonUrl) #{buttonText}

src/resources/views/auth/theme.pug

@@ -1,21 +0,0 @@
-html
-    head
-        meta(name='viewport' content='width=device-width initial-scale=1')
-
-        block head
-
-        block styles
-            link(rel='stylesheet' href=vendor('@extollo/lib', 'lib/bootstrap.min.css'))
-            link(rel='stylesheet' href=vendor('@extollo/lib', 'auth/theme.css'))
-    body
-        .container-fluid
-            .row.no-gutter
-                .col-md-12.col-lg-12
-                    .login.d-flex.align-items-center.py-5
-                        .container
-                            .row
-                                .col-md-9.col-lg-6.mx-auto
-                                    block content
-
-        block scripts
-            script(src=vendor('@extollo/lib', 'lib/bootstrap.min.js'))