docs(mobile): fix markdown list formatting in docs

[guesung]

Summary

• Fix markdown list items that were merged into single lines, breaking rendering
• Affected files: isIOS.md, subscribeKeyboardHeight.md (EN + KO)
• Split list items into proper separate lines with correct spacing

before

after

Test plan

• Verify docs render correctly on VitePress

[Copilot]

Pull request overview

This PR fixes Markdown list formatting in the mobile package utility docs so that bullet points render correctly (instead of being merged into single lines) in the VitePress documentation site.

Changes:

• Reformatted event-list bullets for subscribeKeyboardHeight (EN) into proper Markdown lists.
• Reformatted the same subscribeKeyboardHeight doc in Korean (KO) into proper Markdown lists.
• Reformatted “Notes on platform inconsistencies” bullets in isIOS docs (EN) into a proper Markdown list.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
packages/mobile/src/utils/subscribeKeyboardHeight/subscribeKeyboardHeight.md	Splits previously inline list content into valid Markdown bullets and sections.
packages/mobile/src/utils/subscribeKeyboardHeight/ko/subscribeKeyboardHeight.md	Applies the same list formatting fix to the Korean translation.
packages/mobile/src/utils/isIOS/isIOS.md	Splits platform-notes bullets into a valid Markdown list for correct rendering.