use FC instead of FunctionalComponent

components/core/Footer/Footer.tsx

@@ -1,5 +1,5 @@
 import cn from 'classnames'
-import React, { FunctionComponent } from 'react'
+import React, { FC } from 'react'
 import s from './Footer.module.css'
 import { Container } from '@components/ui'
 
@@ -8,7 +8,7 @@ interface Props {
   children?: any
 }
 
-const Footer: FunctionComponent<Props> = ({ className }) => {
+const Footer: FC<Props> = ({ className }) => {
   const rootClassName = cn(s.root, className)
   return (
     <footer className={rootClassName}>