Update README

Signed-off-by: Jianhui Zhao <jianhuizhao329@gmail.com>

OPENWRT_ZH.md

@@ -0,0 +1,51 @@
+# 直接在设备里面安装
+
+    opkg update
+    opkg list | grep rtty
+    opkg install rtty-nossl
+
+# 自己编译
+## Openwrt master
+更新feeds:
+
+    ./scripts/feeds update -a
+    ./scripts/feeds install -a
+
+在menuconfig中选择rtty，然后重新编译固件。
+
+    Utilities  --->
+        Terminal  --->
+            <*> rtty-mbedtls............................ A reverse proxy WebTTY (mbedtls)
+            < > rtty-nossl............................... A reverse proxy WebTTY (NO SSL)
+            < > rtty-openssl............................ A reverse proxy WebTTY (openssl)
+            < > rtty-wolfssl............................ A reverse proxy WebTTY (wolfssl)
+
+## [Openwrt 14.04](https://github.com/zhaojh329/rtty/blob/openwrt-14.04/README.md)
+
+## [Openwrt 15.05](https://github.com/zhaojh329/rtty/blob/openwrt-15.05/README.md)
+
+## [Lede](https://github.com/zhaojh329/rtty/blob/openwrt-lede/README.md)
+
+# 配置
+配置服务器参数
+
+    uci add rtty rtty   # 如果是第一次配置
+    uci set rtty.@rtty[0].host='your server host'
+    uci set rtty.@rtty[0].port='your server port'
+
+你可以给你的设备自定义一个ID。如果未指定，RTTY将使用指定的网络接口的MAC地址作为其ID
+
+	uci set rtty.@rtty[0].id='your-device-id'
+
+给你的设备添加一个描述
+
+    uci set rtty.@rtty[0].description='My device'
+
+使用SSL
+
+    uci set rtty.@rtty[0].ssl='1'
+
+保存配置并应用
+
+    uci commit
+    /etc/init.d/rtty restart