Refactoring: attempting to make State smaller

Models/BaseLayer.ts

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+import {TileLayer} from "leaflet";
+
+export interface BaseLayer {
+    id: string,
+    name: string,
+    layer: TileLayer,
+    max_zoom: number,
+    min_zoom: number;
+    feature: any,
+}

Models/Constants.ts

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+import { Utils } from "../Utils";
+
+export default class Constants {
+    public static vNumber = "0.2.6a";
+
+    // The user journey states thresholds when a new feature gets unlocked
+    public static userJourney = {
+        addNewPointsUnlock: 0,
+        moreScreenUnlock: 5,
+        personalLayoutUnlock: 20,
+        tagsVisibleAt: 100,
+        mapCompleteHelpUnlock: 200,
+        tagsVisibleAndWikiLinked: 150,
+        themeGeneratorReadOnlyUnlock: 200,
+        themeGeneratorFullUnlock: 500,
+        addNewPointWithUnreadMessagesUnlock: 500,
+        minZoomLevelToAddNewPoints: (Utils.isRetina() ? 18 : 19)
+    };
+}

Models/Loc.ts

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+export default interface Loc {
+    lat: number,
+    lon: number,
+    zoom: number
+}