docs: Update legacy browser warning

[dawsbot]

Motivation

Browser support was added via #573 but this documentation was not updated to reflex those changes

Change Summary

See above ^

Merge Checklist

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• PR title adheres to the conventional commits standard
• PR has a changeset
• PR has been tagged with a change label(s) (i.e. documentation, feature, bugfix, or chore)
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PR-Codex overview

This PR focuses on updating the README.md file in the hub-nodejs package. It includes changes related to error handling, required packages, and support for both Nodejs and browser environments.

Detailed summary

• Updated support information for Nodejs and browser environments.
• Improved error handling with a monadic pattern.
• Clarified the required packages for creating new messages.
• Encoded fixed length data in byte formats for consistency.

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[changeset-bot]

⚠️ No Changeset found

Latest commit: c2eeff8

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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Name	Status	Preview	Comments	Updated (UTC)
hub-monorepo	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 4, 2024 4:33pm

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 36.49%. Comparing base (1880070) to head (c2eeff8).
Report is 51 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1865       +/-   ##
===========================================
- Coverage   74.05%   36.49%   -37.57%     
===========================================
  Files          99      122       +23     
  Lines        9425    20633    +11208     
  Branches     2097     7128     +5031     
===========================================
+ Hits         6980     7529      +549     
- Misses       2327    11170     +8843     
- Partials      118     1934     +1816     

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[dawsbot]

Thanks @adityapk00! Honored to have my first commit merged 🙌