adding a hint placeholder at the old file renaming dialog

build.gradle

@@ -7,7 +7,7 @@ buildscript {
         propMinSdkVersion = 21
         propTargetSdkVersion = propCompileSdkVersion
         propVersionCode = 1
-        propVersionName = '5.15.17'
+        propVersionName = '5.15.18'
         kotlin_version = '1.3.41'
     }
 

commons/src/main/res/layout/dialog_rename_items.xml

@@ -11,6 +11,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginBottom="@dimen/activity_margin"
+        android:hint="@string/string_to_add"
         android:singleLine="true"
         android:textCursorDrawable="@null"
         android:textSize="@dimen/normal_text_size"/>