refactor: improves Performance & Code Readability

- Replaces useEffet with useMemo & useLayoutEffect where necessary.
- Converts some useEffects to separate hooks.
- Moves the functions defined within components to utils.
- Splits the Keywords renderPosition function to its own component.

hooks/useIsMobile.tsx

@@ -0,0 +1,12 @@
+import { useEffect, useState } from 'react';
+
+const useIsMobile = () => {
+   const [isMobile, setIsMobile] = useState<boolean>(false);
+   useEffect(() => {
+      setIsMobile(!!(window.matchMedia('only screen and (max-width: 760px)').matches));
+   }, []);
+
+   return [isMobile];
+};
+
+export default useIsMobile;