[콘텐츠상세][Common] 함께 본 콘텐츠 태그영역 추가

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

@@ -47,8 +47,21 @@
     android:maxLines="2"
     android:textColor="@color/CFFFFFF"
     android:textSize="19sp"
-    app:layout_constraintBottom_toBottomOf="parent"
+    app:layout_constraintBottom_toTopOf="@+id/text_view_tag"
     app:layout_constraintStart_toStartOf="parent"
     tools:text="뜻밖의 행복한 오후 반차
 어디가지? 코스 6"/>
+
+  <TextView
+    android:id="@+id/text_view_tag"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_marginStart="18dp"
+    android:layout_marginBottom="18dp"
+    android:lineSpacingExtra="4sp"
+    android:textColor="@color/CFFFFFF"
+    android:textSize="11sp"
+    app:layout_constraintBottom_toBottomOf="parent"
+    app:layout_constraintStart_toStartOf="parent"
+    tools:text="#커피"/>
 </android.support.constraint.ConstraintLayout>