feat: add Frontend Nation 2025 event

[LoganDupont]

trafficstars

PR Checklist

Please check if your PR fulfills the following requirements:

• [x] The commit message follows our guidelines: https://github.com/ngneat/transloco/blob/master/CONTRIBUTING.md#commit
• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• [ ] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [x] Documentation content changes
• [ ] Other... Please describe:

What is the current behavior?

No "Frontend Nation 2025" event for Frontend Nation

Issue Number: N/A

What is the new behavior?

Added meetup "Frontend Nation 2025" event for Frontend Nation

Does this PR introduce a breaking change?

• [ ] Yes
• [x] No

Other information

/

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