create the wsServer based on webserver, no need for a seperate wsPort

Author: codingfishman

docs-src/cn/src_doc.md

@@ -79,8 +79,7 @@ const options = {
   rule: require('myRuleModule'),
   webInterface: {
     enable: true,
-    webPort: 8002,
-    wsPort: 8003,
+    webPort: 8002
   },
   throttle: 10000,
   forceProxyHttps: false,

docs-src/en/src_doc.md

@@ -78,8 +78,7 @@ const options = {
   rule: require('myRuleModule'),
   webInterface: {
     enable: true,
-    webPort: 8002,
-    wsPort: 8003,
+    webPort: 8002
   },
   throttle: 10000,
   forceProxyHttps: false,