Web: Centralize websocket, add json port changer and led schemas (#209)

* add comp test

* update web

* .

* typo

[skip ci]

libsrc/leddevice/schemas/schema-e131.json

@@ -2,6 +2,20 @@
 	"type":"object",
 	"required":true,
 	"properties":{
+		"universe": {
+			"type": "integer",
+			"title":"Universe",
+			"default": 1
+		},
+		"latchtinme": {
+			"type": "integer",
+			"title":"Latchtime",
+			"default": 104000
+		},
+		"cid": {
+			"type": "string",
+			"title":"CID",
+		}
 	},
 	"additionalProperties": true
 }