[DE mobile] Added store for link settings

apps/documenteditor/mobile/src/store/linkSettings.js

@@ -0,0 +1,16 @@
+import {action, observable, makeObservable} from 'mobx';
+
+export class storeLinkSettings {
+    constructor() {
+        makeObservable(this, {
+            canAddLink: observable,
+            canAddHyperlink: action
+        });
+    }
+
+    canAddLink;
+
+    canAddHyperlink (value) {
+        this.canAddLink = value;
+    }
+}