Update README.md

README.md

@@ -7,4 +7,27 @@ This allows to build consolidated api documentation for different microservices
 
 ![Opcache dashboard](https://github.com/GoMetric/swagger-ui-consolidated/blob/master/docs/ui.png?raw=true&1)
 
+## Configuration
 
+To configure your own api copy configuration to `config.json`.
+
+Example configuration:
+
+```json
+{
+  "schemas": [
+    {
+      "name": "Petstore",
+      "url": "https://petstore.swagger.io/v2/swagger.json"
+    },
+    {
+      "name": "Amazon Api Gateway",
+      "url": "https://api.apis.guru/v2/specs/amazonaws.com/apigateway/2015-07-09/openapi.json"
+    },
+    {
+      "name": "Amazon AppConfig",
+      "url": "https://api.apis.guru/v2/specs/amazonaws.com/appconfig/2019-10-09/openapi.json"
+    }
+  ]
+}
+```