fix: change minItems of oneOf and anyOf to 1 (#41)

* Change minItems of oneOf and anyOf to 1
asyncapi/spec#492
* Add explicit lack of linter to fix PR Action

Author: Z5eyhS0uubejR0SVmX2O

package.json

@@ -9,6 +9,7 @@
     "get:version": "echo $npm_package_version",
     "get:name": "echo $npm_package_name",
     "generate:assets": "echo 'No additional assets need to be generated at the moment'",
+    "lint": "echo 'No linter integrated yet'",
     "bump:version": "npm --no-git-tag-version --allow-same-version version $VERSION"
   },
   "repository": {

schemas/2.0.0.json

@@ -399,14 +399,14 @@
             },
             "oneOf": {
               "type": "array",
-              "minItems": 2,
+              "minItems": 1,
               "items": {
                 "$ref": "#/definitions/schema"
               }
             },
             "anyOf": {
               "type": "array",
-              "minItems": 2,
+              "minItems": 1,
               "items": {
                 "$ref": "#/definitions/schema"
               }