create auction screen added

screen/User.Auction.Create.Screen.js

+import React from 'react';
+import {View, StyleSheet, Text, ScrollView} from 'react-native';
+import { AppAuctionItem } from '../components/auction_item.component';
+import { AppContainer } from '../container/container';
+import themeColors from '../assets/colors';
+import { AuctionBottomTab } from '../Navigations/AuctionBottomTab';
+import AppCountDownTimer from '../components/countdown_component';
+
+const  UserAuctionCreateScreen =  (props, {navigation}) => {
+  return (
+    <View style={styles.container}>
+       <AppCountDownTimer/>
+      <AppContainer>
+        <View style={styles.header}>
+          <Text style={styles.auctionHeading}>Create Auction</Text>
+        </View>
+        <ScrollView>
+          <View>
+            <AppAuctionItem label='Auction Item 2' delete/>
+            <AppAuctionItem label='Auction Item 3' delete/>
+            <AppAuctionItem label='Auction Item 4' delete/>
+          </View>
+      </ScrollView>
+      </AppContainer>
+      <AuctionBottomTab/>
+    </View>
+  );
+};
+export default UserAuctionCreateScreen;
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    paddingTop: 50,
+    backgroundColor: '#ffffff'
+  },
+  header: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+    height: 50
+  },
+  auctionHeading: {
+    fontSize: 24,
+    fontWeight: 'bold',
+    color: themeColors.BLACK,
+  },
+  addBtn:{
+    alignItems: "center",
+    padding: 8,
+    backgroundColor: themeColors.BLACK,
+    borderRadius: 20,
+    shadowColor: 'rgba(0,0,0, .4)',
+    shadowOffset: { height: 2, width: 1 },
+    shadowOpacity: 1,
+    shadowRadius: 1,
+    elevation: 2,
+    height: 33
+  },
+})
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