Fix tab URLs

The app was crashing when you went to another tab on new pages because the rewrites were only configured for URLs with shortcodes

next.config.js

@@ -15,6 +15,18 @@ module.exports = {
         source: '/',
         destination: '/new',
       },
+      {
+        source: '/characters',
+        destination: '/new',
+      },
+      {
+        source: '/summons',
+        destination: '/new',
+      },
+      {
+        source: '/weapons',
+        destination: '/new',
+      },
       {
         source: '/p/:shortcode/characters',
         destination: '/p/:shortcode',