add: allow lisp templates (bberry)

crates/app/src/public/html/misc/error.lisp

@@ -0,0 +1,26 @@
+(text "{% extends \"root.html\" %} {% block head %}")
+(title (text "{{ error_text }} - {{ config.name }}"))
+(text "{% endblock %} {% block body %} {{ macros::nav() }}")
+
+(main
+    (: "class" "flex flex-col gap-2")
+    (div
+        (: "class" "card-nest")
+        (div
+            (: "class" "card")
+            (b (text "Error 😦")))
+
+        (div
+            (: "class" "card flex flex-col gap-4")
+            (span (text "{{ error_text }}"))
+
+            (div
+                (: "class" "w-full flex gap-2")
+                (a
+                    (: "class" "button primary") (: "href" "/")
+                    (text "Home"))
+                (a
+                    (: "class" "button secondary") (: "href" "javascript:history.back()")
+                    (text "Back"))))))
+
+(text "{% endblock %}")