docs: clarify MapStaticAssets ordering requirement

Add comment to document that MapStaticAssets must come before
MapRazorComponents to ensure _framework/* WASM files are served.

This is a documentation-only change; no behavior change.

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

src/TaxBaik.Web/Program.cs

@@ -397,6 +397,8 @@ if (!app.Environment.IsDevelopment())
 app.MapControllers();
 app.MapHealthChecks("/healthz");
 app.MapRazorPages();
+
+// MapStaticAssets must come before MapRazorComponents to ensure _framework/* files are served
 app.MapStaticAssets();
 
 // AllowAnonymous: JWT 미들웨어가 Blazor 셸 요청을 401로 차단하지 않도록 한다.