add modules to electron export, fix issues when downloading updates

electron/formattingUtil.js

@@ -0,0 +1,13 @@
+function formatBytes(bytes, decimals = 2) {
+    if (!+bytes) return '0 Bytes'
+
+    const k = 1024
+    const dm = decimals < 0 ? 0 : decimals
+    const sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']
+
+    const i = Math.floor(Math.log(bytes) / Math.log(k))
+
+    return `${parseFloat((bytes / Math.pow(k, i)).toFixed(dm))}${sizes[i]}`
+}
+
+module.exports = { formatBytes };