Cleaned up path to different files

package-lock.json

         "react-native-multi-selectbox": "^1.5.0",
         "react-native-paper": "^4.9.2",
         "react-native-safe-area-context": "3.2.0",
+        "react-native-sectioned-multi-select": "^0.8.1",
         "react-native-web": "~0.13.12",
         "react-redux": "^7.2.5",
         "redux": "^4.1.1",
         "react-native": "*"
       }
     },
+    "node_modules/react-native-sectioned-multi-select": {
+      "version": "0.8.1",
+      "resolved": "https://registry.npmjs.org/react-native-sectioned-multi-select/-/react-native-sectioned-multi-select-0.8.1.tgz",
+      "integrity": "sha512-iH/5PHBo64yFhKzjd+6sCG0aEvgDnUwpn3I7R0ohcGo/+gJdw47mYmJMTwJTmR9JqBFXHx+2bkQi4ij2ghfqRQ==",
+      "peerDependencies": {
+        "prop-types": "^15.6.0"
+      }
+    },
     "node_modules/react-native-svg": {
       "version": "12.1.1",
       "resolved": "https://registry.npmjs.org/react-native-svg/-/react-native-svg-12.1.1.tgz",
         "warn-once": "^0.1.0"
       }
     },
+    "react-native-sectioned-multi-select": {
+      "version": "0.8.1",
+      "resolved": "https://registry.npmjs.org/react-native-sectioned-multi-select/-/react-native-sectioned-multi-select-0.8.1.tgz",
+      "integrity": "sha512-iH/5PHBo64yFhKzjd+6sCG0aEvgDnUwpn3I7R0ohcGo/+gJdw47mYmJMTwJTmR9JqBFXHx+2bkQi4ij2ghfqRQ==",
+      "requires": {}
+    },
     "react-native-svg": {
       "version": "12.1.1",
       "resolved": "https://registry.npmjs.org/react-native-svg/-/react-native-svg-12.1.1.tgz",

package.json

     "@react-navigation/native": "^6.0.4",
     "@react-navigation/stack": "^6.0.9",
     "expo": "~42.0.1",
+    "expo-constants": "~11.0.1",
+    "expo-notifications": "~0.12.3",
     "expo-status-bar": "~1.0.4",
     "firebase": "8.2.3",
     "react": "16.13.1",
     "react-native-gifted-chat": "^0.16.3",
     "react-native-multi-selectbox": "^1.5.0",
     "react-native-paper": "^4.9.2",
+    "react-native-safe-area-context": "3.2.0",
+    "react-native-sectioned-multi-select": "^0.8.1",
     "react-native-web": "~0.13.12",
     "react-redux": "^7.2.5",
     "redux": "^4.1.1",
-    "redux-thunk": "^2.3.0",
-    "react-native-safe-area-context": "3.2.0",
-    "expo-notifications": "~0.12.3",
-    "expo-constants": "~11.0.1"
+    "redux-thunk": "^2.3.0"
   },
   "devDependencies": {
     "@babel/core": "^7.9.0"

screens/AvailabilityScreen.js

 import { connect } from 'react-redux';
 import { bindActionCreators } from 'redux';
 
-import { fetchUser } from "../../redux/actions";
-import { styles } from "../../config/styles";
-import { availability } from "../../config/availability";
+import { fetchUser } from "../redux/actions";
+import { styles } from "../config/styles";
+import { availability } from "../config/availability";
 
 export class AvailabilityScreen extends Component {
     constructor(props) {

screens/auth/RegisterScreen.js

 import firebase from "firebase";
 import { Picker } from "@react-native-picker/picker";
 
-import { styles } from "../config/styles";
-import CustomButton from "../components/CustomButton";
+import { styles } from "../../config/styles";
+import CustomButton from "../../components/CustomButton";
 
 export default class RegisterScreen extends Component {
     constructor(props) {
     render() {
         return (
             <TouchableWithoutFeedback style={styles.regcontainer} onPress={Keyboard.dismiss} accessible={false}>
-                <ImageBackground style={styles.regcontainer} source={require('../assets/yellow-white.jpg')}>
+                <ImageBackground style={styles.regcontainer} source={require('../../assets/yellow-white.jpg')}>
                     <TextInput style={styles.regtxtfield} placeholder="Userame" onChangeText={(username) => this.setState({ username })}/>
                     <TextInput style={styles.regtxtfield} placeholder="Email" onChangeText={(email) => this.setState({ email })}/>
                     <TextInput style={styles.regtxtfield} placeholder="Password" onChangeText={(password) => this.setState({ password })} secureTextEntry={ true }/>