Rework login page to be AJAX/Vue.js based

app/views/auth/login.pug

@@ -1,17 +1,7 @@
-extends ./form
+extends ../theme/public/base
 
-block form
-    .form-label-group
-        input#inputUsername.form-control(type='text' name='username' value=(form_data ? form_data.username : '') required placeholder='Username' autofocus)
-        label(for='inputUsername') Username
-    .form-label-group
-        input#inputPassword.form-control(type='password' name='password' required placeholder='Password')
-        label(for='inputPassword') Password
-    button.btn.btn-lg.btn-primary.btn-block.btn-login.text-uppercase.font-weight-bold.mb-2.form-submit-button(type='submit') Login
-    
-    if registration_enabled
-        .text-center
-            span.small Need an account? 
-                a(href='./register') Register here.
-    .text-center
-        span.small(style="color: #999999;") Provider: #{provider_name}
+block append style
+    link(rel='stylesheet' href='/style-asset/form.css')
+
+block vue
+    coreid-login-form(v-bind:app_name="app_name" v-bind:login_message="login_message")