docs(@angular-cli): update README as per #6070

[dimitrovs]

The 0.0.0.0 host format will never work with current webpack version and will always show "invalid host header". Instead, a valid domain or public IP has to be specified. See #6070 .

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[dimitrovs]

I signed it!

[googlebot]

CLAs look good, thanks!

[PavelGonzales]

@dimitrovs Please, could you fix commit message.

Please fix the failing commit messages before continuing...
Commit message guidelines: https://github.com/angular/angular-cli/blob/master/CONTRIBUTING.md#commit

[dimitrovs]

@PavelGonzales sorry, I don't think I can amend the commit message as I did this change directly in GitHub. But it's a simple one line change in the README, may be you guys can just redo it in your repo.

[glebmachine]

Is there any options to support 0.0.0.0 hostname?

[gioragutt]

@dimitrovs you can amend the commit message by locally cloning the fork, amending the commit, and force-pushing to the fork. this will automatically update the commit in the pull request. good luck!

[filipesilva]

A few small changes please.

[filipesilva]

Can you add a note here about using the --public-host? Something like

If you need to use `0.0.0.0` to expose your server to the local network, you'll need to pass the `--public-host` option to indicate the URL that it will be accessed as.

[filipesilva]

<domain is missing closing >.

[filipesilva]

Heya, thanks for the contribution! There's the issue with your commit message that @gioragutt explained, but can you also make the small changes I requested?

[hansl]

These options are going to be refactored in v6.

[gioragutt]

@hansl is there any place to read about upcoming changes?

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