New command: hardis:package:installfromrepo

[nvuillam]

• Prompt user for a github repo URL (that contains a sfdx project -> example https://github.com/SalesforceLabs/LightningWebChartJS )
• Clone package repo in a temporary folder (use method createTempDir)
• List packages from package repo sfdx-project.json
• Prompt user to select the package to install locally
• If current folder is a sfdx-project (sfdx.json present)
  • Prompt user if he/she wants to install sources locally
    • if yes
      • Prompt local name for the package (use package folder name by default if it is not "force-app"
      • Copy in current folder the package folder from the package repo
      • Update current folder sfdx-project.json to add the package
• Prompt user if he/she wants to deploy the package on an org
  • If yes and sources are installed locally
    • Prompt org (method promptOrgUsernameDefault) where to deploy the package
    • force:source:deploy (using current folder if previously copied to local folder, else using temp folder)
  • If yes and we just want to install the package using sfdx: call sfdx package install command with id (04t..)