refactor: add vite markdown plugin to support hmr

[danranVm]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines
• Tests for the changes have been added/updated or not needed
• Docs and demo have been added/updated or not needed

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Component style update
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Application (the showcase website) / infrastructure changes
• Other... Please describe:

What is the current behavior?

What is the new behavior?

Other information

[codecov]

Codecov Report

Merging #166 (b09e842) into main (b4f21c8) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #166   +/-   ##
=======================================
  Coverage   97.49%   97.49%           
=======================================
  Files          64       64           
  Lines        1237     1237           
  Branches      228      228           
=======================================
  Hits         1206     1206           
  Misses         11       11           
  Partials       20       20           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update b4f21c8...c4a4935. Read the comment docs.