SDKS-4947 Updating README with maintenance information

[rodrigoareis]

JIRA Ticket

SDKS-4947 Update README files

Description

A new section has been added to the top of the README file to communicate that this repository is officially in maintenance mode.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 2a34d07

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[nx-cloud]

View your CI Pipeline Execution ↗ for commit 2a34d07

Command	Status	Duration	Result
nx affected -t build lint test docs e2e-ci	✅ Succeeded	<1s	View ↗
nx-cloud record -- nx format:check --verbose	✅ Succeeded	5s	View ↗

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☁️ Nx Cloud last updated this comment at 2026-04-18 00:25:00 UTC