[Term Entry] Add Tesler's Law

[AnamolR]

Description

This PR adds a new UX interaction design principle titled Tesler’s Law (also known as the Law of Conservation of Complexity) to the uiux/concepts/ux-psychology/terms/ section.

New folder: content/uiux/concepts/ux-psychology/terms/teslers-law/
Markdown file: teslers-law.md introduces the principle, explains its relevance to UX and interaction design, outlines its application in real-world scenarios, and covers both benefits and limitations.

This entry is structured in line with other cognitive and design principle docs in the UX Psychology section.

Issues Solved

Closes #6594

Type of Change

Adding a new entry

Checklist

• All writings are my own.
• My entry follows the Codecademy Docs style guide.
• My changes generate no new warnings.
• I have performed a self-review of my own writing and code.
• I have checked my entry and corrected any misspellings.
• I have made corresponding changes to the documentation if needed.
• I have confirmed my changes are not being pushed from my forked main branch.
• I have confirmed that I'm pushing from a new branch named after the changes I'm making.
• I have linked any issues that are relevant to this PR in the Issues Solved section.

[mamtawardhani]

Looks good for a second review! 🚀

[AnamolR]

Hi @Sriparno08, could you review this please? 🙂

[github-actions]

👋 @AnamolR
You have contributed to Codecademy Docs, and we would like to know more about you and your experience.
Please take a minute to fill out this four question survey to help us better understand Docs contributions and how we can improve the experience for you and our learners.
Thank you for your help!

🎉 Your contribution(s) can be seen here:

https://www.codecademy.com/resources/docs/uiux/ux-psychology/teslers-law

Please note it may take a little while for changes to become visible.
If you're appearing as anonymous and want to be credited, visit the linked accounts page and ensure that your GitHub account is linked.