[PowerAccent] adding greek polytonic

[guidotorresmx]

Adds Greek Polytonic characters set to power accent, based on #29709

PR Checklist

• Closes [PowerAccent] Adding Greek Polytonic characters set #46941
• Communication: I've discussed this with core contributors already.
• Tests: Not sure if there are specific tests for this
• Documentation updated: Power accent docs

Detailed Description of the Pull Request / Additional comments

Added all greek polytonic letters to their corresponding english letter (some duplicated)
(if you wondered about GRC -> ISO 639-3)

Validation Steps Performed

Compiled and Observed Power Accent

[guidotorresmx]

@microsoft-github-policy-service agree

[guidotorresmx]

ISO 639-3 defines GRC as the name for greek polytonic among others

[guidotorresmx]

ISO 639-3 defines GRC as the name for greek polytonic among others

[guidotorresmx]

ISO 639-3 defines GRC as the name for greek polytonic among others

[guidotorresmx]

ISO 639-3 defines GRC as the name for greek polytonic among others

[guidotorresmx]

ISO 639-3 defines GRC as the name for greek polytonic among others

[github-actions]

@check-spelling-bot Report

🔴 Please review

See the 📂 files view, the 📜action log, 👼 SARIF report, or 📝 job summary for details.

Unrecognized words (1)

GRC

These words are not needed and should be removed

diu IPREVIEW ITHUMBNAIL LPCFHOOKPROC LUMA MAXDWORD MRT suntimes timespan traies udit VSync

To accept these unrecognized words as correct and remove the previously acknowledged and now absent words, you could run the following commands

... in a clone of the git@github.com:guidotorresmx/PowerToys.git repository
on the poweraccent-greek-polytonic branch (ℹ️ how do I use this?):

curl -s -S -L 'https://raw.githubusercontent.com/check-spelling/check-spelling/cfb6f7e75bbfc89c71eaa30366d0c166f1bd9c8c/apply.pl' |
perl - 'https://github.com/microsoft/PowerToys/actions/runs/24422628964/attempts/1' &&
git commit -m 'Update check-spelling metadata'

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