add: finish ui rewrite

crates/app/src/public/html/auth/base.lisp

@@ -0,0 +1,16 @@
+(text "{% extends \"root.html\" %} {% block body %}")
+(main
+    ("class" "flex flex-col gap-2")
+    ("style" "max-width: 25rem")
+    (h2
+        ("class" "w-full text-center")
+        ; block for title
+        (text "{% block title %}{% endblock %}"))
+    (div
+        ("class" "card w-full flex flex-col gap-4 justify-center align-center")
+        ; block for actual page content
+        (text "{% block content %}{% endblock %}"))
+    ; small footer block (for switching context)
+    (text "{% block footer %}{% endblock %}"))
+
+(text "{% endblock %}")