[Documentation Update]: add css-transitions.md

[AKSHITHA-CHILUKA]

Is there an existing issue for this?

• [X] I have searched the existing issues

Issue Description

As no exiting file we need to create this css-transitions.md

Suggested Change

add css-transitions.md

Rationale

transitions are key for adding smooth animations and improving user experience, so detailed documentation on how to use them effectively will be valuable.

Urgency

High

Acknowledgements

• [X] I have read the Contributing Guidelines
• [X] I'm a GSSOC'24 contributor
• [X] I have starred the repository
• [X] I have read and followed the Contribution Guidelines
• [X] I have followed the code style guidelines of this project
• [X] I have checked for any existing open issues that my pull request may address
• [X] I have ensured that my changes do not break any existing functionality
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• [X] I have read the resources for guidance listed below
• [X] I have not used AI-generated content (e.g., ChatGPT, other AI tools)
• [X] I have not used content from existing sites (e.g., text, images)
• [X] I have followed all security rules and only shared trusted resources

[github-actions[bot]]

Hi @AKSHITHA-CHILUKA! Thanks for opening this issue. We appreciate your contribution to this open-source project. Your input is valuable and we aim to respond or assign your issue as soon as possible. Thanks again!

[AKSHITHA-CHILUKA]

Please assign the issue

[github-actions[bot]]

Hello @AKSHITHA-CHILUKA! Your issue #4032 has been closed. Thank you for your contribution!