Create LICENSE

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 nilaoda
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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 ![直接使用.gif](https://nilaoda.github.io/N_m3u8DL-CLI/source/images/%E7%9B%B4%E6%8E%A5%E4%BD%BF%E7%94%A8.gif)  
 
+# 命令行选项
+```
+N_m3u8DL-CLI.exe <URL|File|JSON> [OPTIONS]  
+
+    --workDir    Directory      设定程序工作目录
+    --saveName   Filename       设定存储文件名(不包括后缀)
+    --baseUrl    BaseUrl        设定Baseurl
+    --headers    headers        设定请求头，格式 key:value 使用|分割不同的key&value
+    --maxThreads Thread         设定程序的最大线程数(默认为32)
+    --minThreads Thread         设定程序的最小线程数(默认为16)
+    --retryCount Count          设定程序的重试次数(默认为15)
+    --timeOut    Sec            设定程序网络请求的超时时间(单位为秒，默认为10秒)
+    --muxSetJson File           使用外部json文件定义混流选项
+    --downloadRange Range       仅下载视频的一部分分片或长度
+    --stopSpeed  Number         当速度低于此值时，重试(单位为KB/s)
+    --enableDelAfterDone        开启下载后删除临时文件夹的功能
+    --enableMuxFastStart        开启混流mp4的FastStart特性
+    --enableBinaryMerge         开启二进制合并分片
+    --enableParseOnly           开启仅解析模式(程序只进行到meta.json)
+    --enableAudioOnly           合并时仅封装音频轨道
+    --disableDateInfo           关闭混流中的日期写入
+    --noMerge                   禁用自动合并
+    --noProxy                   不自动使用系统代理
+```
+
 # 用户文档
 https://nilaoda.github.io/N_m3u8DL-CLI/