api OpenAPI params match /docs display order, updated tour docs and docs test

docs/source/tour.rst

@@ -63,7 +63,28 @@ Responder comes with built-in support for OpenAPI / marshmallow::
     import responder
     from marshmallow import Schema, fields
 
-    api = responder.API(title="Web Service", version="1.0", openapi="3.0.0")
+    description = "This is a sample server for a pet store."
+    terms_of_service = "http://example.com/terms/"
+    contact = {
+        "name": "API Support",
+        "url": "http://www.example.com/support",
+        "email": "support@example.com",
+    }
+    license = {
+        "name": "Apache 2.0",
+        "url": "https://www.apache.org/licenses/LICENSE-2.0.html",
+    }
+
+    api = responder.API(
+        title="Web Service",
+        version="1.0",
+        openapi="3.0.2",
+        docs_route='/docs',
+        description=description,
+        terms_of_service=terms_of_service,
+        contact=contact,
+        license=license,
+    )
 
 
     @api.schema("Pet")