Resolve issues found from Google Lighthouse

[kenjdavidson]

https://developers.google.com/speed/pagespeed/insights/?url=kenjdavidson.com&tab=mobile

** Images converted to WEBP**
carson-on-shoulders.png(kenjdavidson.com) | 305.0 KiB | 283.8 KiB
bluetooth-classic-feature-image.png(kenjdavidson.com) | 121.8 KiB | 94.1 KiB
this is only the front page, should update all image(s)

Resource BLocking first paint
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. https://web.dev/render-blocking-resources/?utm_source=lighthouse&utm_medium=unknown

Replace react burgers
It's not setup for treeshaking and all the types are being imported/downloaded.

Caching Policy
https://webmasters.stackexchange.com/questions/30609/leverage-browser-caching-on-github-pages

Requires that Cloudflare or another CDN is used.