style: 홈페이지 테마를 네이비로 개편

TaxBaik.Web/Pages/_Layout.cshtml

@@ -25,7 +25,7 @@
     <!-- <meta name="google-site-verification" content="구글_서치콘솔_토큰_입력" /> -->
 
     <meta name="robots" content="index, follow" />
-    <meta name="theme-color" content="#C89D6E" />
+    <meta name="theme-color" content="#1B4F8A" />
     <link rel="preconnect" href="https://fonts.googleapis.com" />
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
     <link rel="dns-prefetch" href="https://cdn.jsdelivr.net" />