Add: Sample Script Tab, EMCAScript Guide

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

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                xmlns:tools="http://schemas.android.com/tools"
+                android:layout_width="match_parent"
+                android:layout_height="56dp"
+                android:gravity="center_vertical"
+                android:background="?selectableItemBackground"
+                android:orientation="horizontal"
+                android:padding="16dp">
+
+    <com.stardust.widget.LevelBeamView
+        android:id="@+id/level"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_alignParentLeft="true"/>
+
+    <TextView
+        android:id="@+id/name"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="8dp"
+        android:layout_toRightOf="@id/level"
+        android:textColor="@android:color/primary_text_light"
+        android:textSize="16sp"
+        tools:text="示例文件"/>
+
+</RelativeLayout>