feat: inline comment block ui styling including new copy-btn placement

[yafira]

☆ this pull request improves the design and behavior of inline comment code blocks in the ml5 documentation. updates focus on layout, styling, and plugin behavior, currently applied only to bodyPose.md.

changes included

layout and positioning

• aligned the copy button with the language label using manual top and right positioning
• used negative margins for pixel-perfect placement without additional wrappers (not sure if this is the best way but the placement feels right)

styling refinements

• updated the toast, label, and button alignment for visual clarity
• applied a consistent, muted pastel color palette
• ensured clean spacing, padding, and font consistency

plugin improvements

• enhanced the inline comment plugin to inject safe, escaped html
• updated the copy button logic to support both normal and inline-comment blocks
• improved code safety with proper character escaping in data attributes

note:
this update is currently implemented only in bodyPose.md. if approved, the changes can be extended across the rest of the documentation. :)

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[MOQN]

@yafira Thank you so much for all the work! Amazing improvement :D One minor comment is that the code lost multiple semicolons so we might want to add them back.

Let me check if we can apply this style to other reference pages smoothly, then merge the PR. Thank you so much!!

[yafira]

fix: semicolons preserved in inline code comments

@MOQN apologies for overlooking this ~ i was able to fix it! there was an issue with my editor settings (prettier was removing semicolons automatically).

also updated the code-comment plugin to stop trimming code lines, so semicolons and formatting are now preserved when rendering and copying code!