feat(core): add Dropdown component

[jorgemoya]

What/Why?

Add Dropdown component. Use in Header.

Testing

Locally.

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 8d001abce0cbf587c1a68c90068ff626a3cfc0ad

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | -------------------------- | ----- | | @bigcommerce/catalyst-core | Patch |

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[vercel[bot]]

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Name	Status	Preview	Comments	Updated (UTC)
catalyst-latest	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 6, 2024 6:12pm

6 Skipped Deployments

| Name | Status | Preview | Comments | Updated (UTC) | | :--- | :----- | :------ | :------- | :------ | | **catalyst** | ⬜️ Ignored ([Inspect](https://vercel.com/bigcommerce-platform/catalyst/9cargjtEokX1JhMC4i8ueZGAtsuD)) | | | Aug 6, 2024 6:12pm | | **catalyst-1millionproducts-store** | ⬜️ Ignored ([Inspect](https://vercel.com/bigcommerce-platform/catalyst-1millionproducts-store/mjbuydptWEsW4gm7AZRvNCAhieTc)) | [Visit Preview](https://catalyst-1millionproducts-store-git-4669c4-bigcommerce-platform.vercel.app) | | Aug 6, 2024 6:12pm | | **catalyst-au** | ⬜️ Ignored ([Inspect](https://vercel.com/bigcommerce-platform/catalyst-au/6D8q1Sf18QWcwKo8pgQ45jNer3Qc)) | [Visit Preview](https://catalyst-au-git-dropdown-bigcommerce-platform.vercel.app) | | Aug 6, 2024 6:12pm | | **catalyst-test-store** | ⬜️ Ignored ([Inspect](https://vercel.com/bigcommerce-platform/catalyst-test-store/BQHRW4JPU8pM6qabHkP39k4VBSTC)) | [Visit Preview](https://catalyst-test-store-git-dropdown-bigcommerce-platform.vercel.app) | | Aug 6, 2024 6:12pm | | **catalyst-uk** | ⬜️ Ignored ([Inspect](https://vercel.com/bigcommerce-platform/catalyst-uk/H4FtS4V9wa5FM27RPPQMpE7feDAs)) | [Visit Preview](https://catalyst-uk-git-dropdown-bigcommerce-platform.vercel.app) | | Aug 6, 2024 6:12pm | | **catalyst-unstable** | ⬜️ Ignored ([Inspect](https://vercel.com/bigcommerce-platform/catalyst-unstable/DkrPYPMgB5SdsiDU1Scoiy36q6qV)) | [Visit Preview](https://catalyst-unstable-git-dropdown-bigcommerce-platform.vercel.app) | | Aug 6, 2024 6:12pm |

[github-actions[bot]]

⚡️🏠 Lighthouse report

Lighthouse ran against https://catalyst-latest-jysz3tq5j-bigcommerce-platform.vercel.app

🖥️ Desktop

We ran Lighthouse against the changes on a desktop and produced this report. Here's the summary:

Category	Score
🟠 Performance	85
🟢 Accessibility	100
🟢 Best practices	96
🟠 SEO	82

📱 Mobile

We ran Lighthouse against the changes on a mobile and produced this report. Here's the summary:

Category	Score
🟠 Performance	74
🟢 Accessibility	100
🟢 Best practices	96
🟠 SEO	85