Improve Page Load Speed, Code Consistency & Better mobile compatibility

[JC-ProgJava]

Improve page load speed by:

• [x] Reducing image resolution (Frontpage background photo, cover photo)
• [x] KaTeX
• [x] Take a look at Google's Lighthouse reporting index on each page and speed.
• [x] Self-host Google Fonts -> Download them

Issues:

• [x] Code consistency: structured tag tree should be normal
• [x] Mobile Compatibility: Take a look at viewports in CSS and consider increasing font size and math rendering rules -> math jumbles together when page width is small. Decrease indent length and increase width of text div content compared to background/ tag.

[JC-ProgJava]

KaTeX ready for implementation after \begin{align} works

Edit: Use \displaystyle instead of \smash and \begin{align} for summations and limits, KaTeX in implementation, ready on push #8.