adding changelog
adding changelog

Azure/azure-sdk-for-php,dhootha/azure-sdk-for-php,Lead-iD/azure-sdk-for-php,DragonBe/azure-sdk-for-php,southworkscom/azure-sdk-for-php,Thraka/azure-sdk-for-php,Avantians/azure-sdk-for-php,saigyoji205/archa205,kd9000/versailles,stof/azure-sdk-for-php