feat: add game title and copyright to UI

Adds the Elysium title above the guild hall button and an NHCarrigan
copyright notice at the bottom of the sidebar, with matching styles.

apps/web/src/components/game/GameLayout.tsx

@@ -95,6 +95,7 @@ export const GameLayout = (): React.JSX.Element => {
       <div className="game-main">
         <aside className="game-sidebar">
           <ClickArea />
+          <p className="game-copyright">© NHCarrigan</p>
         </aside>
 
         <main className="game-content">