Open the specified host

[ofk]

↪️ Pull Request

Fixed #2725

💻 Examples

Run parcel serve index.html --host 0.0.0.0 --open and http://localhost:1234/ is opened.

🚨 Test instructions

Run the parcel serve command given the host option and the open option (ex. parcel serve index.html --host 0.0.0.0 --open ), opens the host specified by the browser (ex. http://localhost:1234/ ).

✔️ PR Todo

• Added/updated unit tests for this change
• Filled out test instructions (In case there aren't any unit tests)
• Included links to related issues/PRs