feat: add support for template-branch parameter in new command

[kakhaUrigashvili]

add support for template-branch parameter in new command

Example:

ask new --template-url https://github.com/kakhaUrigashvili/skill-sample-nodejs-hello-world.git --template-branch develop
Please follow the wizard to start your Alexa skill project ->
? Choose a method to host your skill's backend resources:  AWS Lambda
  Host your skill code on AWS Lambda (requires AWS account).
[Warn]: CLI is about to download the skill template from unofficial template https://github.com/kakhaUrigashvili/skill-sample-nodejs-hello-world.git. Please make sure you understand the source code to best protect yourself from malicious usage.
? Would you like to continue download the skill template?  Yes
? Please type in your skill name:  skill-sample-nodejs-hello-world
? Please type in your folder name for the skill project (alphanumeric):  skill-sample-nodejs-hello-world
Project for skill "skill-sample-nodejs-hello-world" is successfully created at /Users/kakuri/Git/alexa-skill-cli-deploy/skill-sample-nodejs-hello-world

Project initialized with deploy delegate "@ask-cli/lambda-deployer" successfully.