A:增加 http 端口监听；增加http参数解析；增加websocket的客户端uuid识别和存储

src/NetVizor.Backend/global.json

@@ -0,0 +1,7 @@
+{
+  "sdk": {
+    "version": "9.0.0",
+    "rollForward": "latestMajor",
+    "allowPrerelease": true
+  }
+}