Add "Please wait..." When Dependencies are Being Installed

[clarkio]

This is not a big deal, but I think it could be a small improvement for anyone new to the CLI.

It would be helpful to have additional text when it gets to the step of installing dependencies; especially for someone that runs the CLI for the first time. I've gotten so used to seeing a progress animation or something of that nature to indicate the tool is working on something. I understand it may not be desirable to show an animation so some kind of message to the user indicating they should wait while it runs would be helpful.

I know that adding --verbose with the command is a solution, but again thinking of someone new who is most likely following some guide which doesn't include that option won't know to add it themselves.

Bug Report or Feature Request (mark with an x)

- [ ] bug report -> please search issues before submitting
- [x] feature request

Repro steps.

1. Install the CLI
2. Run ng new my-app
3. Text isn't completely clear that progress is being made. Installing packages for tooling via npm.

Desired functionality.

• Add Please wait... along with the Installing packages for tooling via npm [or other package manager]. message.

Mention any other details that might be useful.

I'd be happy to create a PR for this small change, but wanted to check with you all first before throwing that into the mix.

[jiverson]

dup of #5960

[filipesilva]

Closing as a duplicate, thanks @jiverson 👍

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