Add initial character creation screen

Created the first version of the character creation feature, including the base layout and starting UI elements for customizing a character.

app/character-creator/page.tsx

@@ -0,0 +1,14 @@
+import { CharacterCreator } from "@/components/character/character-creator";
+
+export default function CharacterCreatorPage() {
+  return (
+    <main className="min-h-screen bg-background">
+      <div className="mx-auto max-w-6xl px-4 py-10">
+        <h1 className="mb-8 text-3xl font-bold tracking-tight">
+          Character Creation
+        </h1>
+        <CharacterCreator />
+      </div>
+    </main>
+  );
+}