Reach: Propose For Teachers landing page

[adhamhaithameid]

This change creates a new GitHub Issue (via markdown file) proposing a new dedicated /for-teachers SEO landing page for the website. The issue details the specific recommendation and acceptance criteria, including the exact seoPages.ts configuration to add.

It also creates and updates the .jules/reach.md journal to track this growth strategy.

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PR created automatically by Jules for task 378577476106939670 started by @adhamhaithameid

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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