fix: Use x instead of tweet in exampleSite

[W-Floyd]

Prerequisites

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• This pull request fixes a bug.
• This pull request adds a feature.
• This pull request introduces breaking change.

Description

Changes exampleSite to use x instead of tweet

Issues Resolved

Newer versions of Hugo complain upon seeing tweet:

ERROR The "twitter", "tweet", and "twitter_simple" shortcodes were deprecated in v0.142.0 and removed in v0.156.0. Please use the "x" shortcode instead.

Checklist

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General

• Describe what changes are being made
• Explain why and how the changes were necessary and implemented respectively
• Reference issue with #<ISSUE_NO> if applicable

Resources

• If you have changed any SCSS code, run make release to regenerate all CSS files

Contributors

• Add yourself to CONTRIBUTORS.md if you aren't on it already