Move list of commands from WS initial payload to /commands REST endpoint

api/messaging/spec.json

@@ -24,6 +24,21 @@
             }
         ]
     },
+    {
+        "title": "Commands",
+        "parameters": {},
+        "entrypoint": "commands",
+        "path": "/commands",
+        "authentication": [],
+        "apis": [
+            {
+                "name": "list",
+                "path": "/",
+                "method": "GET",
+                "title": "List of available commands"
+            }
+        ]
+    },
     {
         "title": "Channels",
         "description": "A channel is a representation of a sequence of messages. It has meta data like channel subject. Channels may be public, private or group.",

api/messaging/spec/commands.json

@@ -0,0 +1,18 @@
+{
+  "Title": "Commands",
+  "Interface": "Commands",
+  "Struct": null,
+  "Parameters": {},
+  "Protocol": "",
+  "Authentication": [],
+  "Path": "/commands",
+  "APIs": [
+    {
+      "Name": "list",
+      "Method": "GET",
+      "Title": "List of available commands",
+      "Path": "/",
+      "Parameters": null
+    }
+  ]
+}