message: Update feature flags for examples
diff: @@ -84,7 +84,23 @@ sha2 = { version = "0.8", optional = true }
  [[example]]
  name = "async_create_charge"
  -required-features = ["async"]
  +#required-features = ["async"]
  +
  +[[example]]
  +name = "create_charge"
  +required-features = ["blocking"]
  +
  +[[example]]
  +name = "create_customer"
  +required-features = ["blocking"]
  +
  +[[example]]
  +name = "create_customer_with_source"
  +required-features = ["blocking"]
  +
  +[[example]]
  +name = "list_customers"
  +required-features = ["blocking"]
  [dev-dependencies]
  lazy_static = "1.4.0"
  