add new tutorial dialog

mobile/src/main/res/layout/dialog_help.xml

+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:gravity="center_horizontal">
+
+        <Button
+            android:id="@+id/ocgrule"
+            android:layout_width="50dp"
+            android:layout_height="50dp" />
+
+        <TextView
+            android:layout_width="@dimen/label_width_middle"
+            android:layout_height="wrap_content" />
+
+        <Button
+            android:id="@+id/tutorial"
+            android:layout_width="50dp"
+            android:layout_height="50dp" />
+
+    </LinearLayout>
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:paddingTop="20dp"
+        android:text="@string/about_help"
+        android:textSize="25px" />
+</LinearLayout>
\ No newline at end of file

mobile/src/main/res/values-ko/strings.xml

@@ -234,4 +234,5 @@
     <string name="About_DuelAssistant">코드 번호를 복사할 경우 빠른 방 입장 기능을 사용이 가능합니다.</string>
     <string name="ocgrule">마스터즈 룰</string>
     <string name="tutorial">가이드 북 보기</string>
+    <string name="about_help">알고 싶은 것을 클릭하십시오.</string>
 </resources>

mobile/src/main/res/values-zh/strings.xml

@@ -234,4 +234,5 @@
     <string name="About_DuelAssistant">用于快速查卡与约战加房的服务</string>
     <string name="ocgrule">学习大师规则</string>
     <string name="tutorial">查看软件教程</string>
+    <string name="about_help">点击您想要了解的内容</string>
 </resources>

mobile/src/main/res/values/strings.xml

@@ -237,4 +237,5 @@
     <string name="About_DuelAssistant">Service for getting Keywords from Clipboard</string>
     <string name="ocgrule">Master Rule</string>
     <string name="tutorial">Soft Tutorial</string>
+    <string name="about_help">Click button which you want to know</string>
     </resources>