fix: improved technologies.md documentation

[nitin-is-me]

Description

This PR improves documentation clarity by:

• Expanding "TSC" to "Technical Steering Committee" for better understanding
• Fixing a typo in the next.rwrites.mjs section
• Clarifying fallback behavior in next.dynamic.mjs
• Adding the official Playwright documentation link to the testing section

Validation

Manually reviewed rendered markdown and verified that links work and text is clearer.

Related Issues

N/A

Check List

• I have read the Contributing Guidelines and made commit messages that follow the guideline.
• I have run pnpm format to ensure the code follows the style guide.
• I have run pnpm test to check if all tests are passing. (N/A)
• I have run pnpm build to check if the website builds without errors. (N/A)
• I've covered new added functionality with unit tests if necessary. (N/A)

[vercel]

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Name	Status	Preview	Updated (UTC)
nodejs-org	✅ Ready (Inspect)	Visit Preview	Jul 25, 2025 11:44pm

[github-actions]

Lighthouse Results

URL	Performance	Accessibility	Best Practices	SEO	Report
/en	🟢 97	🟢 100	🟢 100	🟢 100	🔗
/en/about	🟢 99	🟢 97	🟢 100	🟠 88	🔗
/en/about/previous-releases	🟢 99	🟢 93	🟢 100	🟠 89	🔗
/en/download	🟢 96	🟢 100	🟢 100	🟢 100	🔗
/en/blog	🟢 100	🟢 100	🟢 96	🟢 100	🔗

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.01%. Comparing base (f76285a) to head (a06c8b9).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8013      +/-   ##
==========================================
+ Coverage   72.98%   73.01%   +0.03%     
==========================================
  Files          95       95              
  Lines        8324     8324              
  Branches      215      214       -1     
==========================================
+ Hits         6075     6078       +3     
+ Misses       2248     2245       -3     
  Partials        1        1              

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[avivkeller]

@nitin-is-me Please rebase, when you get a chance

[nitin-is-me]

Hi @avivkeller, thanks for the heads-up! It looks like the main branch was merged into this one already by @ovflowd.