docs: added tabs to swtich app router and pages router tutorial

[sital002]

Closes #1845

✅ Checklist

• I have followed every step in the contributing guide (updated 2022-10-06).
• The PR title follows the convention we established conventional-commit
• I performed a functional test on my final commit

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Changelog

updated the video tutorial for both pages and app router
[Short description of what has changed]

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Screenshots

[Screenshots]

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[juliusmarminge]

Awesome! Thanks