新增web后台管理网页

.gitmodules

@@ -6,4 +6,7 @@
 	url = https://gitee.com/ireader/media-server
 [submodule "3rdpart/jsoncpp"]
 	path = 3rdpart/jsoncpp
-	url = https://gitee.com/mirrors/jsoncpp.git
+	url = https://gitee.com/mirrors/jsoncpp.git
+[submodule "www/webassist"]
+	path = www/webassist
+	url = https://github.com/1002victor/zlm_webassist

.gitmodules_github

@@ -7,3 +7,6 @@
 [submodule "3rdpart/jsoncpp"]
     path = 3rdpart/jsoncpp
     url = https://github.com/open-source-parsers/jsoncpp.git
+[submodule "www/webassist"]
+	path = www/webassist
+	url = https://github.com/1002victor/zlm_webassist

README.md

@@ -184,6 +184,7 @@ bash build_docker_images.sh
    - [BXC_gb28181Player](https://github.com/any12345com/BXC_gb28181Player) C++开发的支持国标GB28181协议的视频流播放器
 
 - WEB管理网站
+   - [zlm_webassist](https://github.com/1002victor/zlm_webassist) 本项目配套的前后端分离web管理项目
    - [AKStreamNVR](https://github.com/langmansh/AKStreamNVR) 前后端分离web项目,支持webrtc播放
    
  - SDK

README_en.md

@@ -342,6 +342,7 @@ bash build_docker_images.sh
 ## Collaborative Projects
 
 - Visual management website
+   - [A backend management website for this project](https://github.com/1002victor/zlm_webassist)
    - [The latest web project with front-end and back-end separation, supporting webrtc playback](https://github.com/langmansh/AKStreamNVR)
    - [Management web site based on ZLMediaKit master branch](https://gitee.com/kkkkk5G/MediaServerUI) 
    - [Management web site based on ZLMediaKit branch](https://github.com/chenxiaolei/ZLMediaKit_NVR_UI)

www/webassist

@@ -0,0 +1 @@
+Subproject commit 0d1e8c902feab2c16723bfa05df89f43b0acaefc