chore(deps-dev): bump markdown-it-mathjax3 from 4.3.2 to 5.2.0 - #218

Changed pages include:

• index.html - view
• 404.html - view
• 1/1.html - view
• 1/2.html - view
• 1/3.html - view
• 1/4.html - view
• 1/5.html - view
• 1/6.html - view
• 1/7.html - view
• 2/1.html - view

There are more changes not included in the list