Added reference parameter to the install command

[aguywithcode]

When running the command as originally given

>porter install --cred github

The following output results

Error: No bundle specified. Either an installation name, --reference, --file or --cnab-file must be specified or the current directory must contain a porter.yaml file.

What does this change

Give a summary of the change, and how it affects end-users. It's okay to copy/paste your commit messages.

For example if it introduces a new command or modifies a commands output, give an example of you running the command and showing real output here.

What issue does it fix

Closes # (issue)

If there is not an existing issue, please make sure we have context on why this change is needed. See our Contributing Guide for examples of when an existing issue isn't necessary.

Notes for the reviewer

Put any questions or notes for the reviewer here.

Checklist

• Did you write tests?
• Did you write documentation?
• Did you change porter.yaml or a storage document record? Update the corresponding schema file.
• If this is your first pull request, please add your name to the bottom of our Contributors list. Thank you for making Porter better! 🙇‍♀️

Reviewer Checklist

• Comment with /azp run test-porter-release if a magefile or build script was modified
• Comment with /azp run porter-integration if it's a non-trivial PR

[carolynvs]

Oh gosh I just realized that both quickstarts have the same problem (both on the main website and v1). Thanks for the patch!

[carolynvs]

@aguywithcode Your commit needs to be signed before I can merge this PR. Here's a link explaining how to fix your commit so that it is signed and satisfies our Developer Certificate of Origin (DCO).

https://github.com/getporter/porter/blob/main/CONTRIBUTING.md#signing-your-commits

[aguywithcode]

@aguywithcode Your commit needs to be signed before I can merge this PR. Here's a link explaining how to fix your commit so that it is signed and satisfies our Developer Certificate of Origin (DCO).

https://github.com/getporter/porter/blob/main/CONTRIBUTING.md#signing-your-commits

Ahh, I saw this after I made the pull request. Also saw that the other install command in the tutorial has the same problem. I'll follow the steps for DCO signing.

[carolynvs]

@aguywithcode I see another merge commit on the PR now but the original commit isn't signed yet. If you run into trouble with the git commands to sign your commit let me know and I'll try to help!

[carolynvs]

Thanks for contributing the fix and sorry for all the extra effort getting that commit signed. 💖