Playground access for unsupported devices

[jonryser]

Describe the changes

• (Stanley) added WebView to OLMoE playground.
• (Stanley) updated UnsupportedDeviceView text.
• (Jon) Added line break in content in Unsupported Device View.
• (Jon) Vertically centered Unsupported Device View.

iPhone:

iPad:

Checklist before requesting a review

• My code adheres to the coding and style guidelines of the project.
• I have performed a self-review of my code.
• I have tested my changes and ensured that they work as expected.
• I have updated examples and documentation as necessary.

[Stanley-Jovel]

Excellent work.
We may need to add a button to open on a web browser

[Stanley-Jovel]

Thanks for fixing it! though I left one more comment