Add edits to README for readability
Add edits to README for readability

psykokwak4/ydk-gen,psykokwak4/ydk-gen,psykokwak4/ydk-gen,CiscoDevNet/ydk-gen,psykokwak4/ydk-gen,CiscoDevNet/ydk-gen,CiscoDevNet/ydk-gen,psykokwak4/ydk-gen,CiscoDevNet/ydk-gen,CiscoDevNet/ydk-gen,CiscoDevNet/ydk-gen