Add quote.xml drawable

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

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <solid android:color="@color/darkGray" />
+    <corners android:radius="2dp" />
+    <size
+        android:width="4dp"
+        android:height="4dp" />
+
+</shape>
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app/src/main/res/values/colors.xml

@@ -17,5 +17,6 @@
 
     <color name="white">#FFFFFFFF</color>
     <color name="black">#FF000000</color>
+    <color name="darkGray">#a0a0a0</color>
 
 </resources>
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