Merge branch '59-limit-radius' into 'master'

Resolve "Limit radius"

Closes #59

See merge request !62

constants/inputRequirements.js

 export const NAME_MAX_LENGTH = 40;
 export const NUMBER_MAX_LENGTH = 15;
+export const LOCATION_NUMBER_MAX_LENGTH = 4;
 
 /*******************************************  REGEXES  ************************************************/
 export const EMAIL_REGEX = "^[ÆØÅæøåa-zA-Z0-9_.+-]+@[ÆØÅæøåa-zA-Z0-9-]+\\.[ÆØÅæøåa-zA-Z0-9-.]+$"; // Valid email

screens/home/RegisterLocationScreen.js

@@ -16,7 +16,7 @@ import { TextInput, HelperText } from "react-native-paper";
 import { updateLocations } from "../../redux";
 import { connect } from "react-redux";
 import {
-  NUMBER_MAX_LENGTH,
+  LOCATION_NUMBER_MAX_LENGTH,
   INTEGER_REGEX,
   INVALID_INTEGER_MESSAGE,
   NAME_MAX_LENGTH,
@@ -124,7 +124,7 @@ const _RegisterLocationScreen = (props) => {
                 label="Radius"
                 keyboardType="number-pad"
                 onChangeText={(radius) => checkRadius(radius)}
-                maxLength={NUMBER_MAX_LENGTH}
+                maxLength={LOCATION_NUMBER_MAX_LENGTH}
               />
               {radiusHint && (
                 <HelperText type="error" visible={radiusHint}>