[Term Entry]: Add Tesler's Law

[AnamolR]

Reason/inspiration (optional)

This entry introduces Tesler's Law (also known as the Law of Conservation of Complexity), which states that complexity in a system cannot be removed—only shifted. It is a foundational idea in UX and interaction design for determining where complexity should live: the system or the user.

The entry includes:

• An introduction to the principle
• Its relevance to UX and interaction design
• Application in real-world scenarios
• Benefits and limitations

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• New Term Entry for Existing Topic

Linked Pull Request

Closes PR #6550

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New Term for Existing Concept Entry

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[AnamolR]

Hi @Sriparno08, please assign me to the PR that I've created #6550

[Sriparno08]

Hey @AnamolR, you’re assigned!

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