change header

-<meta charset="UTF-8" />
-<meta name="viewport" content="width=device-width, initial-scale=1.0" />
-
-
-<h1>동물 관련 정보</h1>
\ No newline at end of file
+<header id="header">
+    <hgroup>
+        <h1 class="logo">
+            <a href="#"><img src="#" alt="헤더로고"></a>
+        </h1>
+        <h2 class="theme">동물 관련 장소 조회</h2>
+    </hgroup>
+</header>
\ No newline at end of file