feat(乌龟程序): 添加燃料命令和更新安装程序版本

添加乌龟程序的燃料相关命令，包括帮助文档和实现代码
更新安装程序版本号至0.3.8 Beta 7

data/computercraft/lua/rom/help/turtle.hlp

@@ -29,6 +29,9 @@ turtle <command> [arguments]
   - **inventory**, **inv**: Show inventory
   - **select** <slot>: Select slot (1-16)
 
+- **Fuel Commands:**
+  - **refuel** [amount]: Refuel using items from inventory (optional amount)
+
 - **Utility Commands:**
   - **help**, **h**: Show this help message
   - **version**, **v**: Show program version
@@ -75,6 +78,16 @@ turtle select 5
 turtle digall
 >>color white
 
+9. Refuel with maximum amount:
+>>color yellow
+turtle refuel
+>>color white
+
+10. Refuel with specific amount:
+>>color yellow
+turtle refuel 10
+>>color white
+
 == Notes ==
 
 - This program must be run on a turtle