feat: Add syntax highlighting for more languages

[philprime]

This PR adds syntax highlighting for more common languages used in our blog posts, with an example blog post to explore all of them.

Before	After

This should also fix the readability of the code blocks in this internal post.

[codecov]

Codecov Report

❌ Patch coverage is 53.40909% with 41 lines in your changes missing coverage. Please review.
✅ Project coverage is 39.58%. Comparing base (a509874) to head (804e053).

Files with missing lines	Patch %	Lines
app/components/markdown.tsx	53.40%	41 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #155      +/-   ##
==========================================
+ Coverage   39.39%   39.58%   +0.18%     
==========================================
  Files          87       87              
  Lines        7514     7592      +78     
  Branches      307      307              
==========================================
+ Hits         2960     3005      +45     
- Misses       4554     4587      +33     

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[philprime]

I just noticed that this causes HTML tags to not being properly escaped, moving back to draft.

Before	After