feat: new login experience (#2139)

* feat: multiple auth instances

* fix: auth setup + strategy initialization

* feat: admin auth - add strategy

* feat: redirect on login - group setting

* feat: oauth2 generic - props definitions

* feat: new login UI (wip)

* feat: new login UI (wip)

* feat: admin security login settings

* feat: tabset editor indicators + print view improvements

* fix: code styling

client/components/editor/markdown/tabset.js

@@ -0,0 +1,16 @@
+import cash from 'cash-dom'
+import _ from 'lodash'
+
+export default {
+  format () {
+    for (let i = 1; i < 6; i++) {
+      cash(`.editor-markdown-preview-content h${i}.tabset`).each((idx, elm) => {
+        elm.innerHTML = 'Tabset ( rendered upon saving )'
+        cash(elm).nextUntil(_.times(i, t => `h${t + 1}`).join(', '), `h${i + 1}`).each((hidx, hd) => {
+          hd.classList.add('tabset-header')
+          cash(hd).nextUntil(_.times(i + 1, t => `h${t + 1}`).join(', ')).wrapAll('<div class="tabset-content"></div>')
+        })
+      })
+    }
+  }
+}