Adding alt-text tags to iOS usage pages (#61)

[kandarppatel28]

Related Issue

Add alt-text tags to iOS usage pages #61

Fixes #

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• All my images have appropriate alt tags

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• My change adds new text and requires a change to translations.
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[Sheeri]

Congratulations! 🎉 🙌 🎆 ㊗️

This PR is great and has been merged into the code. Thanks so much for contributing! If you'd like, you can request to work on another issue. We really appreciate your effort!

[Sheeri]

Hi @kandarppatel28!
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