Fixed examples

Signed-off-by: Charles d'Avernas <[email protected]>

Author: cdavernas

examples/do-single-multiple.yaml renamed to examples/do-multiple.yaml

@@ -14,4 +14,4 @@ do:
       with:
         method: put
         endpoint: https://petstore.swagger.io/v2/pet/{petId}
-        body: ${ . + { status: "sold" } }
+        body: '${ . + { status: "sold" } }'