Better comment styling for recommended .gitignore

[0xIsshiki]

• Because this PR includes a bug fix, relevant tests have been included.
• Because this PR includes a new feature, the change was previously discussed on an Issue or with someone from the team.
• I didn't do anything of this.

---

A space is generally added after a line comment delimiter.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 40d048b

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Updated
hardhat	✅ Ready (Inspect)	Visit Preview	Nov 29, 2022 at 1:12AM (UTC)
hardhat-storybook	✅ Ready (Inspect)	Visit Preview	Nov 29, 2022 at 1:12AM (UTC)

[github-actions]

This issue is also being tracked on Linear.

We use Linear to manage our development process, but we keep the conversations on Github.

LINEAR-ID: 88351145-e743-48ce-80d5-52763f62886a

[gitpoap-bot]

Congrats, your important contribution to this open-source project has earned you a GitPOAP!

GitPOAP: 2022 Hardhat Contributor:

Head to gitpoap.io & connect your GitHub account to mint!

Learn more about GitPOAPs here.

[fvictorio]

Thanks