⚠️ Fix most animations/transitions performance issues

- Basically add `will-change` to CSS elements to enable GPU animations, less choppy, more sassy
- Use requestAnimationFrame over setTimeout
- Avoid repaints AMAP

src/animations/TitleSite.js

@@ -11,7 +11,6 @@ export const animateIn = (scope, init) => {
         easing: 'easeOutQuart',
         duration: 1000
     })
-
     // Stagger each letters and words
     tl.add({
         targets: scope.querySelectorAll('span, em span'),