feat: affiche la version du build dans le header (v1.0.0)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/components/StatsPanel.tsx

@@ -64,7 +64,10 @@ export function StatsPanel({ stats, loading, periodDays, source, currentUD, anim
           Ğ
         </div>
         <div>
-          <h1 className="text-white font-bold text-lg leading-none">Ğ1Flux</h1>
+          <h1 className="text-white font-bold text-lg leading-none">
+            Ğ1Flux
+            <span className="text-[#4b5563] text-xs font-normal ml-1.5">v{__APP_VERSION__}</span>
+          </h1>
           <p className="text-[#4b5563] text-xs">Monnaie libre · Flux géo</p>
         </div>
       </div>

src/types/globals.d.ts

@@ -0,0 +1 @@
+declare const __APP_VERSION__: string;