DOCS: update Blog page

[huynhicode]

📑 Summary

Base branch set to master.

This PR contains updates to the Blog page:

• add new blog posts
• minor formatting fix

Resolves #n/a

📏 Design Decisions

Design decisions made by the Mermaid Chart team.

📋 Tasks

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• 💻 have added necessary unit/e2e tests.
• 📓 have added documentation. Make sure MERMAID_RELEASE_VERSION is used for all new features.
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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 4.49%. Comparing base (becadf0) to head (9ddedb0).
Report is 7 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #6199    +/-   ##
=======================================
  Coverage    4.48%   4.49%            
=======================================
  Files         382     383     +1     
  Lines       54027   53915   -112     
  Branches      621     596    -25     
=======================================
  Hits         2425    2425            
+ Misses      51602   51490   -112     

Flag	Coverage Δ
unit	4.49% <ø> (+<0.01%)	⬆️

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see 4 files with indirect coverage changes