feat(character-detail): 캐릭터 상세

- 탭 UI 추가

app/src/main/res/layout/fragment_character_gallery.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/color_131313"
+    android:padding="24dp">
+
+    <TextView
+        android:id="@+id/tv_empty_gallery"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="갤러리 콘텐츠가 없습니다."
+        android:textColor="@color/white"
+        android:textSize="16sp"
+        android:layout_gravity="center" />
+
+</FrameLayout>