add azure_iot_hub license (#641)

Author: ctaggart

sdk/iot_hub/Cargo.toml

@@ -3,6 +3,8 @@ name = "azure_iot_hub"
 version = "0.1.0"
 authors = ["Microsoft Corp."]
 edition = "2018"
+description = "Azure IoT Hub"
+license = "MIT"
 
 [dependencies]
 azure_core = { path = "../core", version = "0.1" }

sdk/iot_hub/README.md

@@ -1,6 +1,6 @@
-# Azure SDK for Rust - Azure iot_hub crate
+# Azure SDK for Rust - Azure IoT Hub crate
 
-Azure iot_hub crate for the unofficial Microsoft Azure SDK for Rust. This crate is part of a collection of crates: for more information please refer to [https://github.com/azure/azure-sdk-for-rust](https://github.com/azure/azure-sdk-for-rust).
+Azure IoT Hub crate for the unofficial Microsoft Azure SDK for Rust. This crate is part of a collection of crates: for more information please refer to [https://github.com/azure/azure-sdk-for-rust](https://github.com/azure/azure-sdk-for-rust).
 
 ## Usage