Fix some enhancements & new features

build/js/include/form/upload.js

@@ -0,0 +1,21 @@
+function initFileInputImage(images, uploadRoute)
+{
+	$(".file").fileinput({
+		uploadUrl: "/file-upload-batch/2",
+		allowedFileExtensions: ['jpg', 'png', 'gif'],
+		overwriteInitial: true,
+		showRemove: true,
+		frameClass: '',
+		initialPreviewAsData: false,
+		maxFileSize: 10000,
+		removeFromPreviewOnError: true,
+		initialPreview: images,
+		layoutTemplates: {
+			footer: ''
+		},
+		previewTemplates: {
+			image: '<img src="{data}" class="kv-preview-data file-preview-image img-fluid" title="{caption}" alt="{caption}" {style}>\n',
+		}
+	});
+
+}