Add 2025 End of Year Newsletter (#828)

* Add 2025 end-of-year newsletter

* Fix linting

* Apply suggestions from code review

Co-authored-by: Leonardo Bishop <13875753+LMBishop@users.noreply.github.com>
Signed-off-by: Holly <25277367+Thatsmusic99@users.noreply.github.com>

* Undense the birmingHack paragraph

* Reword first paragraph of Discord and MC

* Change headers to subheaders

* Wording correction

* Add TTD snippet

* ok fine make blank lines surround the list gawd

* me when i forget

* Apply suggestions from code review

Co-authored-by: Leonardo Bishop <13875753+LMBishop@users.noreply.github.com>
Signed-off-by: Holly <25277367+Thatsmusic99@users.noreply.github.com>

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Signed-off-by: Holly <25277367+Thatsmusic99@users.noreply.github.com>
Co-authored-by: Leonardo Bishop <13875753+LMBishop@users.noreply.github.com>

Author: Thatsmusic99