Добавлен запрос persistent storage, увеличен размер кэша книг

client/components/App.vue

@@ -128,6 +128,10 @@ class App extends Vue {
 
         this.setAppTitle();
         (async() => {
+            //запросим persistent storage
+            if (navigator.storage && navigator.storage.persist) {
+                navigator.storage.persist();
+            }
             await this.routerReady();
             this.redirectIfNeeded();
         })();

client/components/Reader/share/bookManager.js

@@ -4,7 +4,7 @@ import _ from 'lodash';
 import * as utils from '../../../share/utils';
 import BookParser from './BookParser';
 
-const maxDataSize = 300*1024*1024;//compressed bytes
+const maxDataSize = 500*1024*1024;//compressed bytes
 
 //локальный кэш метаданных книг, ограничение maxDataSize
 const bmMetaStore = localForage.createInstance({