add: taken slug check

app/templates_src/edit.lisp

@@ -46,6 +46,7 @@
             ("type" "text")
             ("minlength" "2")
             ("name" "new_slug")
+            ("oninput" "check_exists_input(event)")
             ("placeholder" "New url")))
     (div
         ("class" "w-full flex justify-between gap-2")

app/templates_src/index.lisp

@@ -43,6 +43,7 @@
             ("minlength" "2")
             ("maxlength" "32")
             ("name" "slug")
+            ("oninput" "check_exists_input(event)")
             ("placeholder" "Custom url"))))
 (text "{{ components::footer() }}")