Add placeholder oki logo

pages/index.js

@@ -17,6 +17,8 @@ import {jwennTeksKantite, jwennAwtisKantite} from '../lib/oki-api'
 import RezoMenu from '../components/rezo-menu'
 import JwennSesyon from '../components/jwenn-sesyon'
 
+import okiLogo from '../public/logo-192x110.png'
+
 const useStyles = makeStyles(theme => ({
   root: {
     '& > *': {
@@ -77,7 +79,8 @@ export default function Home({kantiteAwtis, kantiteTeks}) {
             alt='Logo #OKi'
             width={192}
             height={110}
-            src='/logo-192x110.png'
+            src={okiLogo}
+            placeholder='blur'
           />
           <Typography variant='h6' component='h1'>
             Organisation KA Internationale