Chore(readme): Deprecation notice

[juanchoperezj]

Pull request type

• [ ] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, renaming)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] Documentation content changes
• [ ] Other (please describe):

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Description

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Jira board reference

• Jira_Card_Name

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Notes:

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Tasks:

• [ ] Tested on IOS
• [ ] Tested on Android
• [ ] Tested on a small device
• [ ] Tested on a real device
• [ ] Tested all flows related with this PR changes
• [ ] Tested accessibility
• [ ] Added tests

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