add a new component

LeftOvers/components/Normalize.tsx

@@ -0,0 +1,17 @@
+import { Dimensions, Platform, PixelRatio } from 'react-native';
+
+const {
+  width: SCREEN_WIDTH,
+} = Dimensions.get('window');
+
+const scale = SCREEN_WIDTH / 480;
+
+// @ts-ignore
+export default function normalize(size) {
+  const newSize = size * scale
+  if (Platform.OS === 'ios') {
+    return Math.round(PixelRatio.roundToNearestPixel(newSize))
+  } else {
+    return Math.round(PixelRatio.roundToNearestPixel(newSize)) - 3
+  }
+}

LeftOvers/components/RecipeElement.tsx

@@ -4,6 +4,7 @@ import brochette from '../assets/images/brochette.png';
 import Union_left from '../assets/images/Union_left.png';
 import Union_right from '../assets/images/Union_right.png';
 import background from '../assets/images/Background.png'; 
+import normalize from './Normalize';
 
 
 interface recipeElementProps {
@@ -48,6 +49,7 @@ export default function RecipeElement(props : any) {
   ); 
 }
 
+
 const styles = StyleSheet.create({
   button: {
     alignItems: 'center',

LeftOvers/components/RecipeElementReduce.tsx

@@ -4,6 +4,7 @@ import brochette from '../assets/images/brochette.png';
 import Union_left from '../assets/images/Union_left.png';
 import Union_right from '../assets/images/Union_right.png';
 import background from '../assets/images/Background.png'; 
+import normalize from './Normalize';
 
 
 interface recipeElementReduceProps {
@@ -29,6 +30,7 @@ export default function RecipeElementReduce(props : any) {
   ); 
 }
 
+
 const styles = StyleSheet.create({
   button: {
     alignItems: 'center',