feat(neuron): update meta files

Signed-off-by: Jiyong Huang <huangjy@emqx.io>

etc/sinks/neuron.json

@@ -18,6 +18,21 @@
   },
   "properties": [
     {
+      "name": "url",
+      "default": "tcp://127.0.0.1:7081",
+      "optional": false,
+      "control": "text",
+      "type": "string",
+      "hint": {
+        "en_US": "The nng url to connect to neuron.",
+        "zh_CN": "连接 Neuron 的 nng url"
+      },
+      "label": {
+        "en_US": "URL",
+        "zh_CN": "路径"
+      }
+    },
+    {
       "name": "nodeName",
       "optional": true,
       "control": "text",

etc/sources/neuron.json

@@ -17,7 +17,25 @@
     }
   },
   "libs": [],
-  "properties": {},
+  "properties": {
+    "default": [
+      {
+        "name": "url",
+        "default": "tcp://127.0.0.1:7081",
+        "optional": false,
+        "control": "text",
+        "type": "string",
+        "hint": {
+          "en_US": "The nng url to connect to neuron.",
+          "zh_CN": "连接 Neuron 的 nng url"
+        },
+        "label": {
+          "en_US": "URL",
+          "zh_CN": "路径"
+        }
+      }
+    ]
+  },
   "outputs": [
     {
       "label": {

etc/sources/neuron.yaml

@@ -0,0 +1,5 @@
+default:
+  # The nng connection url to connect to the neuron
+  url: tcp://127.0.0.1:7081
+ipc:
+  url: ipc:///tmp/neuron-ekuiper.ipc