Discover and add missing properties

[appreciated]

The following Components need to be checked

Layouts

• FormLayout
• HorizontalLayout
• Scroller
• SplitLayout
• VerticalLayout

Vaadin Komponenten

• Accordion
• AccordionPanel
• Button
• Checkbox
• CheckboxGroup
• ComboBox
• ContextMenu
• DatePicker
• DateTimePicker
• EmailField
• Grid
• Image
• ListBox
• LoginForm
• MenuBar
• NumberField
• PasswordField
• ProgressBar
• RadioButtonGroup
• Scroller
• Select
• Tab
• Tabs
• TextArea
• TextField
• TimePicker
• TreeGrid
• Upload

HTML Komponenten

• Anchor
• Article
• Aside
• Description
• List
• Div
• Emphasis
• Footer
• H1
• H2
• H3
• H4
• H5
• H6
• Header
• Hr
• IFrame
• Image
• Label
• ListItem
• Main
• NativeButton
• Nav
• OrderedList
• Paragraph
• Pre
• Section
• Span
• UnorderedList

The following properties are currently not being rendered

• com.vaadin.flow.component.checkbox.CheckboxGroup.value
• com.vaadin.flow.component.combobox.ComboBox.value
• com.vaadin.flow.component.datetimepicker.DateTimePicker.datePickerI18n
• com.vaadin.flow.component.datetimepicker.DateTimePicker.locale
• com.vaadin.flow.component.datepicker.DatePicker.i18n
• com.vaadin.flow.component.datepicker.DatePicker.initialPosition
• com.vaadin.flow.component.datepicker.DatePicker.locale
• com.vaadin.flow.component.datepicker.DatePicker.max
• com.vaadin.flow.component.datepicker.DatePicker.min
• com.vaadin.flow.component.datepicker.DatePicker.value
• com.vaadin.flow.component.textfield.EmailField.valueChangeMode
• com.vaadin.flow.component.formlayout.FormLayout.responsiveSteps
• com.vaadin.flow.component.grid.Grid.classNameGenerator
• com.vaadin.flow.component.grid.Grid.dropMode
• com.vaadin.flow.component.orderedlayout.HorizontalLayout.alignItems
• com.vaadin.flow.component.orderedlayout.HorizontalLayout.defaultVerticalComponentAlignment
• com.vaadin.flow.component.listbox.ListBox.value
• com.vaadin.flow.component.textfield.PasswordField.valueChangeMode
• com.vaadin.flow.component.textfield.NumberField.valueChangeMode
• com.vaadin.flow.component.radiobutton.RadioButtonGroup.value
• com.vaadin.flow.component.orderedlayout.Scroller.scrollDirection
• com.vaadin.flow.component.splitlayout.SplitLayout.orientation
• com.vaadin.flow.component.orderedlayout.VerticalLayout.alignItems
• com.vaadin.flow.component.orderedlayout.VerticalLayout.defaultHorizontalComponentAlignment
• com.vaadin.flow.component.select.Select.value
• com.vaadin.flow.component.textfield.TextArea.valueChangeMode
• com.vaadin.flow.component.textfield.TextField.valueChangeMode
• com.vaadin.flow.component.datetimepicker.DateTimePicker.datePickerI18n
• com.vaadin.flow.component.datetimepicker.DateTimePicker.locale
• com.vaadin.flow.component.treegrid.TreeGrid.classNameGenerator
• com.vaadin.flow.component.treegrid.TreeGrid.dropMode
• com.vaadin.flow.component.upload.Upload.dropLabel
• com.vaadin.flow.component.upload.Upload.dropLabelIcon
• com.vaadin.flow.component.upload.Upload.i18n
• com.vaadin.flow.component.upload.Upload.uploadButton
• com.vaadin.flow.component.tabs.Tabs.orientation
• com.vaadin.flow.component.tabs.Tabs.selectedTab