fixing style on android welcome button

Author: balzack

app/client/mobile/src/welcome/Welcome.styled.ts

@@ -72,9 +72,15 @@ export const styles = StyleSheet.create({
     gap: 12,
     alignItems: 'center',
   },
+  start: {
+    width: '100%',
+    display: 'flex',
+    justifyContent: 'center',
+    alignItems: 'center',
+    paddingTop: 24,
+  },
   submit: {
     borderRadius: 8,
-    paddingLeft: 32,
-    paddingRight: 32,
+    width: 192,
   },
 });

app/client/mobile/src/welcome/Welcome.tsx

@@ -53,6 +53,8 @@ export function Welcome({next}: {next: () => void}) {
                   <Icon size={24} source="message-circle" color={Colors.icon} />
                   <Text variant="labelLarge">{state.strings.startTopic}</Text>
                 </View>
+              </View>
+              <View style={styles.start}>
                 <Button mode="contained" textColor="white" style={styles.submit} onPress={next}>
                   {state.strings.getStarted}
                 </Button>