Rework login page to be AJAX/Vue.js based

app/views/theme/public/base.pug

@@ -0,0 +1,27 @@
+extends ../base
+
+block append style
+    link(rel='stylesheet' href='/style-asset/public.css')
+
+block append script
+    script(type='module').
+        import { components } from '/assets/app/components.js'
+        import VuES6Loader from '/assets/lib/vues6/vues6.js'
+
+        const loader = new VuES6Loader(components)
+        loader.load()
+
+        const app = new Vue({
+            el: '#vue-app-base',
+            data: !{JSON.stringify(vue_state) || '\{\}'}
+        })
+
+block app
+    block content
+        header.masthead
+            .container.h-100
+                .row.h-100.align-items-center
+                    .col-12.text-center
+                        block masthead
+                            #vue-app-base
+                                block vue