[ui]: 북 커버에 비밀방 표시 구현 완료 (#44)

Author: rbqks529

app/src/main/res/drawable/ic_secret_cover.xml

@@ -0,0 +1,23 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="60dp"
+    android:height="80dp"
+    android:viewportWidth="60"
+    android:viewportHeight="80">
+  <group>
+    <clip-path
+        android:pathData="M0,0h60v80h-60z"/>
+    <path
+        android:pathData="M59.5,0.5H0.5V79.5H59.5V0.5Z"
+        android:fillColor="#121212"
+        android:fillAlpha="0.3"/>
+    <path
+        android:strokeWidth="1"
+        android:pathData="M59.5,0.5H0.5V79.5H59.5V0.5Z"
+        android:fillColor="#00000000"
+        android:strokeColor="#888888"/>
+    <path
+        android:pathData="M18.8,32.64C18.8,29.712 19.98,26.904 22.081,24.834C24.181,22.763 27.03,21.6 30,21.6C32.971,21.6 35.819,22.763 37.92,24.834C40.02,26.904 41.2,29.712 41.2,32.64H43.067C44.057,32.64 45.007,33.028 45.707,33.718C46.407,34.408 46.8,35.344 46.8,36.32V54.72C46.8,55.696 46.407,56.632 45.707,57.322C45.007,58.012 44.057,58.4 43.067,58.4H16.934C15.943,58.4 14.994,58.012 14.294,57.322C13.594,56.632 13.2,55.696 13.2,54.72V36.32C13.2,35.344 13.594,34.408 14.294,33.718C14.994,33.028 15.943,32.64 16.934,32.64H18.8ZM30,25.28C31.98,25.28 33.88,26.056 35.28,27.436C36.68,28.816 37.467,30.688 37.467,32.64H22.534C22.534,30.688 23.32,28.816 24.721,27.436C26.121,26.056 28.02,25.28 30,25.28ZM33.734,43.68C33.734,44.326 33.561,44.961 33.233,45.52C32.906,46.079 32.434,46.544 31.867,46.867V49.2C31.867,49.688 31.67,50.156 31.32,50.501C30.97,50.846 30.495,51.04 30,51.04C29.505,51.04 29.03,50.846 28.68,50.501C28.33,50.156 28.133,49.688 28.133,49.2V46.867C27.422,46.462 26.866,45.837 26.551,45.088C26.237,44.34 26.181,43.51 26.394,42.728C26.607,41.945 27.076,41.254 27.728,40.761C28.38,40.268 29.178,40 30,40C30.99,40 31.94,40.388 32.64,41.078C33.34,41.768 33.734,42.704 33.734,43.68Z"
+        android:fillColor="#FEFEFE"
+        android:fillType="evenOdd"/>
+  </group>
+</vector>