Virtual File Explorer - prettier settings added and js files reformatted

modules/virtual-file-explorer/.prettierrc

@@ -0,0 +1,4 @@
+{
+    "singleQuote": true,
+    "useTabs": true
+}

modules/virtual-file-explorer/src/Volo.Abp.VirtualFileExplorer.Web/Pages/VirtualFileExplorer/index.js

@@ -1,7 +1,9 @@
-var _fileContentModal = new abp.ModalManager(abp.appPath + 'VirtualFileExplorer/FileContentModal');
+var _fileContentModal = new abp.ModalManager(
+	abp.appPath + 'VirtualFileExplorer/FileContentModal'
+);
 
 function showContent(filePath) {
-    _fileContentModal.open({
+	_fileContentModal.open({
-        filePath: filePath
+		filePath: filePath,
-    });
+	});
 }