fix: enable $ref support for bindings (#442)

Author: derberg

definitions/3.0.0/channel.json

@@ -62,7 +62,14 @@
       ]
     },
     "bindings": {
-      "$ref": "http://asyncapi.com/definitions/3.0.0/channelBindingsObject.json"
+      "oneOf": [
+        {
+          "$ref": "http://asyncapi.com/definitions/3.0.0/Reference.json"
+        },
+        {
+          "$ref": "http://asyncapi.com/definitions/3.0.0/channelBindingsObject.json"
+        }
+      ]
     }
   },
   "$schema": "http://json-schema.org/draft-07/schema#",

definitions/3.0.0/messageObject.json

@@ -107,7 +107,14 @@
       }
     },
     "bindings": {
-      "$ref": "http://asyncapi.com/definitions/3.0.0/messageBindingsObject.json"
+      "oneOf": [
+        {
+          "$ref": "http://asyncapi.com/definitions/3.0.0/Reference.json"
+        },
+        {
+          "$ref": "http://asyncapi.com/definitions/3.0.0/messageBindingsObject.json"
+        }
+      ]
     },
     "traits": {
       "type": "array",

definitions/3.0.0/messageTrait.json

@@ -74,7 +74,14 @@
       }
     },
     "bindings": {
-      "$ref": "http://asyncapi.com/definitions/3.0.0/messageBindingsObject.json"
+      "oneOf": [
+        {
+          "$ref": "http://asyncapi.com/definitions/3.0.0/Reference.json"
+        },
+        {
+          "$ref": "http://asyncapi.com/definitions/3.0.0/messageBindingsObject.json"
+        }
+      ]
     }
   },
   "$schema": "http://json-schema.org/draft-07/schema#",

definitions/3.0.0/operation.json

@@ -88,7 +88,14 @@
       ]
     },
     "bindings": {
-      "$ref": "http://asyncapi.com/definitions/3.0.0/operationBindingsObject.json"
+      "oneOf": [
+        {
+          "$ref": "http://asyncapi.com/definitions/3.0.0/Reference.json"
+        },
+        {
+          "$ref": "http://asyncapi.com/definitions/3.0.0/operationBindingsObject.json"
+        }
+      ]
     }
   },
   "$schema": "http://json-schema.org/draft-07/schema#",

definitions/3.0.0/operationTrait.json

@@ -26,7 +26,14 @@
       "$ref": "http://asyncapi.com/definitions/3.0.0/operation.json#/properties/externalDocs"
     },
     "bindings": {
-      "$ref": "http://asyncapi.com/definitions/3.0.0/operation.json#/properties/bindings"
+      "oneOf": [
+        {
+          "$ref": "http://asyncapi.com/definitions/3.0.0/Reference.json"
+        },
+        {
+          "$ref": "http://asyncapi.com/definitions/3.0.0/operationBindingsObject.json"
+        }
+      ]
     }
   },
   "$schema": "http://json-schema.org/draft-07/schema#",

definitions/3.0.0/server.json

@@ -70,7 +70,14 @@
       ]
     },
     "bindings": {
-      "$ref": "http://asyncapi.com/definitions/3.0.0/serverBindingsObject.json"
+      "oneOf": [
+        {
+          "$ref": "http://asyncapi.com/definitions/3.0.0/Reference.json"
+        },
+        {
+          "$ref": "http://asyncapi.com/definitions/3.0.0/serverBindingsObject.json"
+        }
+      ]
     }
   },
   "$schema": "http://json-schema.org/draft-07/schema#",