feat(user): about software page, enamad badge, and deal sheet UI polish

Add public about-software flow, login-only enamad, and deal buy/sell UI refinements for the store user app.

src/app/setupRouter.ts

@@ -37,7 +37,7 @@ export function setupRouterGuards() {
     if (to.meta?.public) {
       return true
     }
-    return ['login', '404', 'buyProduct', 'productDetail', 'about', 'cart', 'tvMonitor'].includes(
+    return ['login', '404', 'buyProduct', 'productDetail', 'about', 'aboutSoftware', 'cart', 'tvMonitor'].includes(
       to.name as string,
     )
   }